811a tube specs

I have owned the AL-82 for three years now, and over that time, it has given me incredible performance on all bands. KB3TTP 800+ WATT LINEAR AMPLIFIER AND POWER SUPPLY PROJECT. I am not saying that you should not purchase a Hickok like a 750 or 580 at the right price and condition, however in the absence of other c About Ameritron AL-811 manual The resource is currently listed in dxzone. An Operate/Standby switch lets you run barefoot, but you can instantly switch to full power if needed. The user should consult manufacturers data for detailed operating parameters to fit the application. Second they use a directly heated thoriated tungsten filament cathode that prevents the electron emitting layer from instantly stripping off -- even if mistuning causes a sudden, sever current overload. I used a short piece of braid held together with an alagator clip and then connected the test lead to the other end of the alagator cilp. Howver I am so confused when it comes to 811, as there are the original tubes with top anode connector and the special made audio tubes like 811-3, 811-10, not to mention the closely related 572. Type 811A was first introduced in 1954. The 811A vacuum tube it is a power triode capable to output 10 - 15 Watts in a single ended class A2 configuration, in a three stages circuit using interstage transformer in the driving stage. The envelope is fabricated from hard glass intended specifically for the high-temperature operation of transmitting tubes. International all foreign shipments over 25 value must be sent via USPS, fully insured, priority mail. The power output is just as good as an advertised Ham Amp tube. pioneer cs-811a 4-way 5-way speakers. The lowest priced amplifier, the three tube AL-811, lacks  for certification of tube output, tube meets new tube specs, certification sheet shipped with tube. YES, you are correct! This is the exact tube Collins installed in the thousands of 30L-1s they produced for 30 years! Ameritron's Al-811 linear amplifier gives you plenty of power to bust through QRM. The 572b tube is the beefed-up RF version of the 811a and, it fits in the same tube socket and has the same voltage and current requirements. Datasheet file is in PDF format. Tube Hole Gauge specifications, part numbers, and accessories. The   Tube 811A or Röhre 811A ID19220, Transmitting Triode, air cooled, UX-Base (4 Pins (2 thick, USA 1924, Radio tubes are. Key in the code for the valve/tube you wish to search for and click the Query button. Those outside the USA know them as valves. Some of the high power ceramic tubes were monitored after 24-48 hours and the filament voltage readjusted but they are a little different than a simple glass 811A. I do not see dual-grid tubes mentioned in Terman's 3rd edition in the same way. Only a few types are still used today, mainly in high The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. The 572B is an indirect descendent of the 811 tube. Construction refers to both basing size and the envelope. Four 811A Tubes . For class C telegraphy operation at 80 MHz, plate voltage and input should be reduced to 80 % of maximum ratings; at 125 MHz to 55 %. A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. You can key in Cyrillic characters to perform the search too. Best to retrofit the amplifier with some 811a types and get on with your life. com in 2 categories. Those specs are built into the tube and will remain constant as the tube ages. Price $215. DYNA FLEX DYNAFLEXUSA SAE IOOR8 811 (BLACK) FLEX USA Recommended For: Medium pressure hydraulic and pneumatic systems. About Ameritron AL-811 manual. WE Electron Tubes - General Bulletin - Index and General Information. Each TAYLOR Select  Abstract: 811A tube 811A TUBE 811-A 811 tube 572B centrifugal blower 811a audio amplifier Power Triode 572B tube. Reliability will be enhanced by the upgraded overload capability of this rugged graphite plate tube. The company’s impressive lineup of products includes amplifiers, amplifier accessories, antennas, antenna tuners, relay buffers, and more. Items 1 - 10 of 14 811A Matched Set of Three Taylor Tubes (Select). In most respects it is a typical grounded grid linear amplifier, with the exception of … Jan 06, 2013 · A low cost 600 watt ultra-linear amplifier for 40, 20, 17, 15, 12, and 10m This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. 6 amps. This project is presented by me for all you HAM's out there either who would like to build your first amplifier or for the veteran who's seen it all. I've also read about rather rigorous burn in procedures as well as possible catastrophic failures taking out speakers with the 6C33C, which have made me a little nervous about this tube. Westinghouse Premium 811A triode tube with military brown base. Command full legal power output with one of VTTC 1 - Dual 811A. It allows you to quickly change between sizes without the need of tools. A recommended list of Hickok tube testers, The main reason why particular testers are on this page is that, it is easier to find tube test data for these models, and/or these models are easier to repair. Industrial Lamp Project. Nov 25, 2004 · 572's have 160 watts dissipation per tube, so you have 640 watts dissipation total with four. And what am I? Jan 06, 2013 · A low cost 600 watt ultra-linear amplifier for 40, 20, 17, 15, 12, and 10m This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. From HF, VHF, UHF, 50Mhz, 70Mhz and 144Mhz through to 432Mhz and 1296MHz the DX Shop supplies Linear Amplifiers, Antennas, Aerials, Masthead Preamplifiers, LNA, Coaxial cables and connectors, sequencers and amplifiers for your ham radio station. Other characteristic (electr. 811A Download a ZIP file (378K) of all 811A  AMERITRON AL-811 Linear Amplifier 3 x 811A Tubes HF 600 Watts PEP. Eimac 5CX-1500A NOS tube sent to CPI for certification of tube output, tube meets new tube specs, certification sheet shipped with tube. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. DATA ! 4-63. May be used with full input up to 60 MHz. Others, using potentially damaging   Purchase our Brand New Svetlana SV811-10, 811-10, 811, 811A Vacuum Tubes now! Tested, guaranteed and Test Data on the Box Power Tubes: Checked  Operate AL-811 on all modes. It's a powerful tube that could be a good compromise if 300B is to exclusive and 845 too powerful. data):. The Ameritron AL-811 linear amplifier gives you plenty power to bust thru QRM. Acceptance of this document constitutes agreement to these restrictions. Heater-cathode type used as af power amplifier and modulator and as rf power amplifier and oscillator. question 50l6, 6r6. The low cost 811A tubes   Try searching the Tube Data Sheet Locator , the world's biggest index of tube 807 Military Specs in a PDF File. copied, or loaned in part or in whole, nor is the information to be relayed to any other individual or company except as S-Square Tube Products® first authorizes in writing. Cheap vacuum tube, Buy Directly from China Suppliers:FU-811 FU811J 811A Vacuum Tube Factory Matched(for pair) HIFI serie electron tube for home amplifier consumer electronics Details about 811a tube pair sylvania valve s 572 b 813 g811 812 6146 b 833 2a3 807 1950's . Here are a large amount of smaller triodes I have specs on, roughly arranged in increasing plate current capability. Type : 811A/811/FU811: Structure : High µ Triode: We recommend to 811A tube | 4 M following items: AMERITRON AL-811XCE. As I understand it virtually all 811a NOS are RCA's and are said to be a "much better sounding tube" and the amp's designer suggested the RCA's as well. ACØC SB200 SLEEPER Xtreme Conversion. In most respects it is a typical grounded grid linear amplifier, with the exception of … GTN™ 750Xi has a 6. I will ship via usps The AL- 811H uses four 811A tubes in a class AB2 grounded grid circuit. amplifiedparts. RF Parts - Tube list and specs. I've only seen two or three mfgrs use that tube and it's physical large so I just installed a pair of 811a's and they work fine when set for the proper zsac. Tube specs & Equivs. Featuring a graphite plate with an ICAS dissipation rating of 125 watts the tube was very economical and a pair could provide legal limit operation (1 kilowatt input) on CW or AM. . 21310 Ridgecroft Drive Brookeville, MD 20833 (301) 953-2014 info@jolida. p = Pentode Unit. Get a clean signal—no RF hash on your signal or receiver—with Ameritron switching power supplies. Turn the tester on, the filament should light up right away. Looking at the specs you Cetron tubes are high quality made in usa tubes. Note that the tube is at its maximum ICAS ratings before any color shows on the plate (download the spec sheet below), but this circuit keeps the plate dark. The schematic below includes all the needed specs on this coil. Fast Warm Up Time: The 811A tubes take approximately 3 seconds to warm-up. Characteristics listed on this page are approximate, and for comparison only. This tube is still in production today as it is widely used in RF transmitters, which accounts for its extensive availability and low cost. C $77. 812 Tube. 4. cheers skipp B&K 700-707 SS #83 CONVERSION Converting the #83 tube to Solid State using 1N4007 Diodes / Fused for protection (the easy way) Converting the #83 tube to solid state is a pretty straightforward and easy affair. Quick Test for Electronic Tubes: A friend was at a yard sale and bought a facsimile antique wall telephone that was really an AM tube radio. t = Triode Unit. Only the AMERITRON AL- 811H gives you four fully neutralized 811A transmitting tubes. com The 811a tube was originally designed for audio use and it really wasn't for use at RF frequencies but, what do I know, the manufacturers use them all the time (but you don't see them operating above 30 MHz). Model High Triode. Afterwards I built another one using the 811A tube. The settings for the Hickok 539C for both the 811A and the 572B are as follows: Bias Switch: Self Bias Filament Switch: E Filament Switch: R Grid: 3 Plate: 0 Screen: 0 Cathode: 0 Suppressor: 0 Shunt: 0 Filament Voltage: 6. Electrical: Filament, Thoriated Tungsten: Electron Tube Division. New Thomson CSF 3-500ZG transmitting Valves Direct replacement for 3-500Z with higher anode dissipation. 5. The TAYLOR Select 811A is the best quality tube in current production. Always wanted to try the 572B's in place of the V-70-D MaxiMuM Ratings typical OpeRatiOn class of type of service plate plate plate screen plate Drive Output Operation Voltage current Voltage Voltage current power power GOOD PAIR OF HARD TO FIND SVETLANA 572B TUBES. At the time I considered this coil to be a great success, but looking back I think even longer sparks were possible from the pair of tubes. we now use a custom tube checker by george kaye to match 6c33c and el509 for your audio applications! A recommended list of Hickok tube testers, The main reason why particular testers are on this page is that, it is easier to find tube test data for these models, and/or these models are easier to repair. It used a pair of 811A vacuum tubes purchased from RF Parts. The ASTM A178 Specifications are listed below with the Chemical Composition and Mechanical Properties. It's all about a double project. Boxed up for the last 30+ years, I unboxed one for photo. Save rca 811a tubes to get e-mail alerts and updates on your eBay Feed. : H/F means "Heater or Filament" voltage and current specifications. Data Sheet 811A Matched Quad. Vintage Pioneer speakers. The valve is a hi μ power triode, used in many RF linear amplifiers. removable grills are frayed and not in great condition but can still be presentable to keep the vintage look. respect to the base pins to avoid internal shorts in equipment designed for horizontal tube mounting. After a long day of work, this is what I'm left with: a coil with a base size of only 10"x15"x~27"tall. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. Many industrial, military or otherwise professional tubes were also produced. The fold provides about the same infrared radiation area as the original 811A, and the import tube has the same 65-watt long-term dissipation. I am not saying that you should not purchase a Hickok like a 750 or 580 at the right price and condition, however in the absence of other c You get three tough 811A transmitting tubes, extra heavy-duty power supply, all HF band coverage, pressurized ventilation, tuned input, dual illuminated meters, adjustable ALC and more. Toroid specs Info. The B-500 Transportable Pipe Beveler produces high quality bevels in 45 seconds* without flames or sparks. The compact design quickly mounts to pipe 4” and up with a maximum wall thickness of 1/2”, and creates consistent bevels in a single pass. For more information on our ASTM A178 / ASME SA178 ERW (Electric Resistance Welded) Carbon Steel / Carbon Manganese Steel Boiler Tubes please feel free to contact Sam Long directly at (706) 965-9909 / Email or Trent Hebert at (225) 647-9207 To the people who are dealing with audio Thanks for visiting Mableaudio! We stock all kinds of amp parts you want. The filament is center-tapped to insure low hum. Looking for an Eimac Tube Manual similar to the one shown. serial numbers: ck-wg02100 & ckwg02094. Title: RCA 811 tube data sheet Created Date: 11/18/1999 11:54:00 PM Title: 811A Author: RCA Subject: 1999. 6c33c and el509 matching. 572b is a fine SSB tube –other mode challanged Specs 2KW input From vac filters to pipe cutter wheels, you can find replacement parts and accessories for all your RIDGID tools on the official RIDGID Store. <br /><br /></p I actually have the GE data sheet for that tube, but you won't find them cheap or easy. The flags correspond with the location of the  Long Tube Life: The 811A tubes are long life, matches the 811A tubes to 50 ohm exciters. They have proven themselves in all kinds of amateur, commercial, and military service. inquire for types not listed. Power triode designed for use as an RF amplifier,  Specifications: Output Power: 800 Watts PEP, 600 Watts CW. Electron tubes are almost outdated, but there was one time when the electron tube was in every piece of electronic hardware that received or transmitted Radio Frequency signals or accomplished Maybe the better IMD figure is lost when using a better linear designed tube with -40DB IMD specs because of the mod iron? IE, we are VERY sensitive to IMD performance when listening to a tube in RF linear service on the band. Vertical Tube Mounting: Prevents shorting of tube filament/grid, prolongs tube life. I use a set just like this in my collins 30l 1 amplifier and they are great. High-quality fabrication and vacuum processing at high temperature enables Svetlana to manufacture the new 572B with consistent performance and extended life. It covers 40 - 10 meters including WARC bands (12 and 17 meters). 1. Replaced the 811A's with 572B's as others have. Title: 572B Author: Scientific Instrument R&D Co. I have used 2 of these "Music" tubes in my AL-811 Amp with good results for the past 6 months. You get a quiet desktop linear that's so compact that it'll slide right into your station -- you'll hardly know it's there. Detailed data sheets on the various tubes listed in this catalog are available 811A. If your job depends on joining, forming or connecting pipe, RIDGID threading and pipe View online Instruction manual for AMERITRON AL-811H Amplifier or simply click Download button to examine the AMERITRON AL-811H guidelines offline on your desktop or laptop computer. VTTC 1 - Dual 811A. Tube 811A or Röhre 811A ID19220, Transmitting Triode, air cooled, UX-Base (4 Pins (2 thick, USA 1924, UX) and Power/Output shown. The 811A features a 25 watt thoriated-tungsten filament with tremendous reserve emission capability and a large anode for efficient heat dissipation. It is only 11″ wide, 4″ high, and 9″ deep. Prices, options and features are subject to change without notice. 77. hp = Heptode Unit. d = Diode Unit. As fitted to many popular Linear Amplifiers such as Linear Amp UK, Trio/Kenwood TL922, Ten-Tec, Drake, Heathkit etc. The tube was originally introduced by RCA in an ad in the January, 1952 issue of QST magazine: Click here or on the image above for a larger version. 3V Filament Current: 4. Heavy duty power supply and RF components provide long service for components. where some of the new linears calls for 811A-s, will the 811-s work at reduced ratings. 0 . Power was measured with a Bird 4712 wattmeter and a 25 KW slug. The foam has disintegrated and had been cleaned off of both. Mu (voltage gain), Gm (transconductance) and Rp (plate resistance) are the three electrical characteristics that make up the overall electrical characteristics for a vacuum tube. Created Date: 5/8/2000 1:59:29 PM 811A Matched Set of Four Taylor Select Tubes. > > Also Mar 31, 2020 · I'm not sure what the 5V winding is for though, and it's a bit of a different design than I'm used to seeing, also the specs on the choke and OT aren't listed. This review will not be a technical review, it will in fact be a general observation and usage review. This amp is not the only grounded grid tube amp that needs this protection; it has become a problem, due to inferior tubes of today. www. The MD-811 Music Dandy features the classic RCA-designed 811A triode transmitting tube, a standard in radio communications applications since the early 1940s. Graphite  Vacuum Tubes, Capacitors and Electron Tubes. If you are rewiring the AL-811H for 240/230/220V operation, you must use 8 ampere fuses. HAVE GOOD AMERICAN MADE 811A TUBES FOR 30L-1 AMPLIFIERS. Not that they will do any more power than the 811's as the power supply and other circuitry determines that but mainly for the dissipation factor provided by the 572B's. 2. Aug 08, 2017 · Actually, the 811A is a "zero bias" class B tube. Pioneer Vintage CS-811A for sale. You also get efficient f ElectronTubeStore. Jan 14, 2010 · I have talked to several guys who had put the 811A's in the RF deck a little less output,,not much less. It operates in class AB2 for SSB and CW. Shipping handling cost domestic all domestic shipments are normally sent via USPS. At Jolida we strive to provide our customers with premium vacuum tube home electronics for every sound stage. Machlett also manufactures its own Magnetron tube and provides support and service to all commercial microwave systems across the globe. 5. TM The Svetlana 300B is manufactured in Russia at the Svetlana factory in St. Petersburg. Bought new by my Dad in the late 70s. The V-70-D's are 85 watt plate diss. com Stay safe and healthy. Build an HF Linear Amp. The main category is Ameritron AL-811 and AL-811H HF Amateur Radio RF power amplifier that is about Ameritron AL-811 and AL-811H resources. Each tube has a 5 Volt/20 Amp filament requirement. Tube is used in Henry Amps 4K & 4KA amplifier. 3 Function Switch: 3000 Plate Volts: Low or High Cath. The tube list at ESRC1 Vacuum Tubes is very extensive, as is our inventory of Vacuum Tubes, Grid Caps, Sockets, Valves and Capacitors. However it was suggested to me that I replace the 811a with a 5514 tube as it apparently is of much better construction lasts longer "should sound better" and is of ceramic construction which should provide performance similar to the 211 and the 845 tubes. Building a tube amp! Its always a good idea to select a tube that is twice the power out you plan to use or more and run it at 50% or lower. The Ameritron AL-811 is excellent for the newcomer because it's tough enough to withstand momentary mistuning. A Homebrew Transmitter from the 1960’s, Updated for Today’s AM A 6DQ5 Sweep Tube modulated by Four 1625s December 22, 2006, Bob Hansen, NA7RH Here is my opportunity to tell about adventures with the homebrew 6DQ5 transmitter and companion 1625 × 4 plate modulator, and to discuss some of the changes made to these classic Re: Tube spec. maxium input power 120 watts. 9 pf of. The AL-811 is a grounded grid linear Amplifier developed by Ameritron using low cost 811A power triodes. Audio TO BUY 811 and 811A POWER TRIODE, 811A datasheet, 811A circuit, 811A data sheet : ETC2, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors Ameritron delivers the power and clarity you demand. Direct heating cathode, medium power consumption triode is used for class A amplification. Search form. Reference: Datasheet. 812A. They are so satisfied with our products and order from us all the It's a powerful tube that could be a good compromise if 300B is to exclusive and 845 too powerful. We have over 8,000 stocking Product Specifications. Today, Machlett is a subsidiary of Penta Laboratories and operates as one of the top commercial tempering microwave system manufacturers in the world. EIA Base: 3G Filament Voltage: 6. The ultimate in musical tone and smooth overdrive, the STR delivers the sound that established Tung-Sol as the benchmark of quality. How to parafeed 811a from this schematic and bumping up against the max ICAS specs. Compact 833A VTTC. Asking price is $500 plus shipping. Harrison, N. A lot cheap or than on ham radio sites. Some quick measurements and calculations showed that the tube compliment of the ST-35 initially draws 26 amps at 6. Bypassing the sputter mode will cause the plate to run red hot. About Jolida. In particular, the MD-811 features the classic RCA-designed 811A triode transmitting tube, a standard in radio communications applications since the early 1940s. This was my very first documented VTTC. Buy Shuguang 572B vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. The maximum surge current rating for this 40 watt supply is 6. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Four 811A Tubes: Uses four rugged, fully neutralized low cost 811A PA tubes. Page 2 NOTE: Fuses supplied are for 120/110/100V operation (Models AL-811H/HY). Below is the electrical diagram for a typical tube. I spent 22 years in the broadcast business and we never "burned in" a tube. > > If the AL-811A plate voltage runs that high it is exceeding the Dec 29, 2017 · How to Make a Vintage Radio Tube Bright Light for Steampunk Project. 27 Mar 2018 Due to Weight $15 Shipping surcharge will be added. A lot of people talk about "burning in a tube". Radio tubes are The tube remained a staple of amateur radio until single sideband became a popular operating mode in the late 1950's and early 1960's. This keeps it linear and very clean. Tube data & amp schematics online 807 Military Specs in a PDF File. That means you can safely run over 1000 watts input without even approaching the dissipation limit. Thanks in advance for your assistance in this question, and in previous postings > > Not sure as I see lower specs on the Russian tube but > Is this a direct replacement for the 811A? Or is this only for audio purposes? > One 811A is burned out in my 30L-1 that has recently been restored. 95 each All information, images, and documents on this website are the sole property of Ameritron Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Ameritron ( Brand: RCA ), ( model : 811A ), ( MPN: Does Not Apply ), ( UPC: Does not apply ) Review Triode Af Enterprise Electronic Used Rf Tube RCA Osc Amp Modulator 811A 2. This is a good replacement for advertised Ham 811A tubes for Amps and at a much cheaper price. ----- Original Message ----- From: "Joe Subich, W4TV" <w4tv@subich. We have been doing business with famous companies in USA,Japan,Germany,Australia,Italy and Netherland. The 572B is a replacement valve for the 811 transmitting tube. So if a tube was properly made and tested when new, all one needs to assess its current state is a simple emission tester. While my dual 833A rebuild was on hold, I decided I didn't really want such a large and heavy setup. Thanks for looking. Mar 13, 2020 - 811A - Triode, Power Amplifier, China--Chinese 811A Available in Singles or Matched Pairs - please select from list. The 833A features rugged construction for high power RF transmitter applications. Vacuum Tube - 811A, Triode, Power Amplifier, United States Note: These new- old-stock vacuum tube specifications are provided as informational only, and in  The 811A vacuum tube it is a power triode capable to output 10 - 15 Watts in a single ended class A2 configuration, in a three stages circuit using interstage  Used this to replace a shorted tube in my Ameritron 811 amplifier. net>; <Amps@contesting. Dec 18, 2019 · How to Find out if an Electronic Tube Is Good. The KR Audio 2A3 HP tube is fully compatible with any well designed 2A3 amplifier and sonically delivers exactly what owners of these special amps expect, and then some. 24W would require spec busting. Can a 811A be tested on a Hickok 800 with the 811 settingsare the tubes similar enough to get valid resultsand what are the differences between the twoI have many 811-s, but not many 811A-s. Metal Art, Automotive Parts Creations or similar applications from TXDashcovers. Power out was in spec and no issues. The import tubes eliminated the channels, and folded the anode up. HOW WE USE COOKIES: We use cookies and similar technologies to improve our website, to personalize website content to you, and to deliver advertising messages and offers on content that are relevant to you. Such as tubes,tube sockets,capacitors,resistors,tag board,meter,pot,knob,feet,chassis and so on to get you started. Ameritron 811A Replacement Power Tubes are available for all-purpose Amateur Radio service. DATACOS  The 811A is a power triode for RF or class B modulator service. I am not saying that you should not purchase a Hickok like a 750 or 580 at the right price and condition, however in the absence of other c Until the late 1970s many drug stores and electronics shops sold electron tubes. It will leave you with a low or non-emission filament, essentially a dead tube. The radio did not work. Anyway, they are made to run horizontal or vertically. Gsrx vers 586 gs not all 811a's are(posted on September 13th, 2016) T-160l Cetron New Old Stock Transmitting Tube With Box (64% similar) Please ask questions before bidding. . Find great deals on eBay for 811a tubes and 572b tubes. 9" touchscreen with a high-resolution display that that provides industry leading GPS/NAV/COMM/MFD capabilities. For Use With 4CW40, 4Z974, 5A195 Threading Machine Die Heads and RIDGID Model# 504A, 713, 811A, 816, 817 and 842 Universal Die Heads; Number of Pieces in Set 4; Item Replacement Pipe Die Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Apr 22, 2020 · JBLのフラッグシップスピーカー DD66000と811A真空管アンプ インターステージ反転アンプでJAZZを聴いて下さい。 JBL flagship speaker DD66000 and 811A vacuum tube The 572B may be used as a direct drop-in replacement in linear amplifiers using the 811A. Abstract: 811A 811A tube RCA 811 tube Svetlana RCA RF power devices rca tube 56 transmitting tubes 811a audio amplifier 811 rca Tube Data Sheet Locator. The AL-811H has the essential design elements for a clean, stable signal. You're never gonna see that kind of a load Jul 21, 2001 · I actually have the GE data sheet for that tube, but you won't find them cheap or easy. Application. Even an excellent signal -40DB 3rd down can cause us QRM. This Ridgid Quick Opening Die Head Number 811A (97065) fits all Ridgid Power threading Machines. Pure sense of space with all subtle timing cues intact make this a tube of choice for any 2A3 enthusiast and an excellent upgrade path for any exiting 2A3 based system. I used a simple way to test the tubes and fixed the problem. 3 volts. Specifications. While the tube is warming up, check for shorts on switch positions 1 through 5. 800W Output Linear AmplifierOnly the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. Note: many people in the Tesla coil / amateur radio community like to overdrive the 811-A. Apr 02, 2007 · paragraph about "Dual Grid and Class B triodes". Get 600 Watts output CW. If you can't find what you need here, try Duncan's Tube Data Sheet Locator. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. The 3-500Z is a relatively inexpensive tube and has been around for a long time. The 6146 beam power tube and its various descendents (6146A, 6146B) was and still is one of the most popular transmitting tubes in amateur radio service. 64 amps or 23 watts. Confirm availability of all accessories and equipment with an authorized Bayliner dealer prior to purchase. Very useful for Canadian companies, schools, and experimenters that need access to sophisticated, low cost electronics. These heavy-duty 811As are a modern version of the venerable vacuum tube that has been around for a long, long time. 0A Triode Plate Voltage: 1. Hombrew project to build an HF linear amplifier whose output is 210W for 16W of drive on 80M and max output is 300W. Model year boats may not contain all the features or meet specifications described herein. There is much confusion in the audiophile community about these factors as they affect tubes and their performance in components. 0001 0001 0017 0017 0031 0031 0037 0037 0045 0045 0049 0049 0095 0095 00a 00a 00a 00a 00a 00a 01a 01a 01a 01a 01a 01a 0a2 0a2 Dec 10, 2013 · After several years of use, this review of Ameritron’s AL-82 amplifier seems long overdue. specifications are subject to change without notice or obligation  AMERITRON mounts the 811A tubes vertically, not horizontally, to prevent hot tube elements from sagging and shorting out. The resource is currently listed in dxzone. At first I built a prototype amp using the SV811-3 tube. com> To: <n9aa@arrl. 5kV Triode Plate Dissipation: 65W Datasheet: 811A. The strict manufacturing and quality controls at the Svetlana plant assure functionality and sound as good as 811A. An ECC83 tube inside a preamp. You get three tough 811A transmitting tubes, extra heavy-duty power supply, all HF band coverage, pressurized ventilation, tuned input, Weight: 31 pounds. 811 / 811A=VT-217 Power Triode (Also see 572B as substitute) (811A have extra long ribs welded on plate for added heat dissipation) (the older 811 have a smoother type plate) - WAVAC MD 811A - ALTEC LANSING 1570B - Ideal Innovations, Canada - Nat. 811A 12AY7) 6072A is same as12AY7 except 6072 has additional low noise specs. > Once I have this replaced will test for operation :) and I'm considering this "NOS" option as is cheaper. How Much Wattage From a Single Tube? I always wanted to try some of the old AM modulator tubes like the 811A in a guitar/bass amp. 1 Year Limited Transmitter Tube Warranty (against manufacturing defects and workmanship) through RF Parts Company. GENERAL DATA. A collection of electron tube specifications from the Western Electric Library. Good Morning Group. hx = Hexode Unit. Radio tubes are valves. Meets or exceeds SAE 100R8 requirements. Fast Warm Up Time: The 811A tubes take approximately 10 seconds to warm-up. Review Triode Af Enterprise Electronic Used Rf Tube RCA Osc Amp Modulator 811A 2 Shipping handling cost domestic all domestic shipments are normally sent via USPS. Ameritron AL-82 Super Legal Limit HF Amplifier w 2 x 3-500Z The cooling system keeps the components and tube safely below the manufacturers ratings, even while complete your vintage stero system or upgrade your present system with these classic speakers from pioneer. We stand by all of our products, striving to give you the optimal sound stage environment with quality tube amplification products. Plug the tube in and connect the test lead to the plate cap. Buy these late date Cetron tubes made to the original RCA specifications because Cetron (US company!) bought RCA. Never before at this price, 811A/JAN Cetron. It is BS. Each tube has an anode dissipation of 500 watts, 20-Watt grid dissipation and plate voltage up to 4000 volt. electron Tube Data sheets - Poland (Ryszard), Select one of these flags to go to the electron Tube Data sheets. 811A Transmitting Tube, Taylor Tubes (Select) The TAYLOR Select 811A is the best quality tube in current production Each TAYLOR Select tube is tested by RF Parts prior to shipment, and includes Limited 1 Year Transmitter Tube Warranty (against manufacturing defects and workmanship) through RF Parts. Subject: BW-FP-2004-04-29 Created Date: 4/30/2004 12:47:15 AM The 811A vacuum tube it is a power triode capable to output 10 - 15 Watts in a single ended class A2 configuration, in a three stages circuit using interstage transformer in the driving stage. It is dedicated to be used in audio frequency range which requires the output power 100W. similar to the one shown. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s. The 812 was a moderately low mu tube, primarily intended for grid driven modulator service. Long Tube Life: The 811A tubes are long life, reliable transmitting tubes. Tube 572B or Röhre 572B ID6385, Transmitting Triode, air cooled, and shown. To: tesla-at of using one of these in a very small vacuum tube coil, > after or while building one using an 811A. Shop with confidence. So, I then decided I wanted to make a single 833A VTTC. PRICE REDUCED: 811A tubes: FOR SALE: Price reduced. Net Tube Data Here you'll find manufacturers' data sheets and curves for many popular (and some not so popular ) electronic valve types. If you have an older model AL-811H which does not have these design updates, I urge you to install them, or send the amp back to Ameritron for rework to current specs. The tube list at The Tube Center is very extensive, as is our inventory of Vacuum Tubes, Grid Caps, Sockets, Valves and Capacitors. I eyed this tube up a while ago. Three tough 811A transmitting tubes, extra heavy duty NL-811A NL-811A NL811A tube 811A 811A CI 7400 power amplifier 1000 watts rms 811A tube NL811 class B push pull power amplifier 811a audio amplifier 6 watts resistor: tube 811A. 807 Beer Beam Power Tube. 18 Created Date: 11/18/1999 11:54:00 PM The original USA 811A tubes were perfectly flat at the high-temperature high-current anode area with welded U-channels to increase thermal lag and dissipation. Follow the links on the left to find the tubes, valves, sockets, grid caps, and capacitors for your antique radio, ham radio, hi-fi stereo, or other electronic piece. After warm-up, these same heaters draw 3. These valve is 143 mm tall. Conveniently plug it into your nearest 120 VAC outlet -- no special wiring needed. Shuguang Vacuum Tube 300B Series Triode: 300B-98 (300B) DESCRIPTION 300B-98 is compatible with 300B Vacuum tube 300B-98 is new and improved version of 300B. You even get 300 Watts on continuous carrier modes like RTTY, SSTV, and FM. Block diagram, pinout and 811A Circuit application inside. With thousands of repair parts, diagrams and parts lists, we have everything you need to get your RIDGID tools back to work. $39 EACHPICKUP SF BAY AREA. I have a par of 811a SE monobloc's that were damaged in shipment I need to get new tube as the only 811a that survived is a Chinese version that seems to have poor sound quality. You get absolute stability and superb performance on higher bands that can&rsquo;t be matched by un-neutralized tubes. Description; Product Details; Specifications; Reviews. Vacuum Tube - 811A, Triode, Power Amplifier, China | Antique Electronic Supply Skip to main content This is the RCA's 811A Power Triode Tube . Price $128. J. SUBSCRIPTS FOR MULTI-UNIT TUBES: b = Beam Power Unit. Pipe and Bolt Dies for Machine Die Heads HOW WE USE COOKIES: We use cookies and similar technologies to improve our website, to personalize website content to you, and to deliver advertising messages and offers on content that are relevant to you. 50. pdf; More information: 811A data hf amp, 800w, (4) 811a tubes, us 120vac $1,199. Tested working and guaranteed 30 days. This goes especially for thoriated filaments rated higher than that. Power Triode. All you need to do is monitor the condition on the cathode coating, which is easily measured via emission. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. + 7 S 0 P O N S O A R P A 7 E E D U J 0 F J ESTATE*** VINTAGE RCA 811A VACUUM TUBE TV-7 TESTED >LOOKS NOS & TESTS EXCELLENT! I have the AL-811 3 tube amp. com Westinghouse 811A Power Triode Tube (Premium, Military Brown Base) [VT-WEST-811A] - Westinghouse Premium 811A triode tube with military brown base. cheers skipp Looking for RIDGID Pipe Dies Set for Threading Machine Die Heads, For Nominal Pipe Size 1/2" to 3/4", 14 TPI, NPT, 1 EA (4CW95)? Grainger's got your back. The information contained within this website is believed to be correct and current. Each TAYLOR Select tube is tested by RF Parts Company prior to shipment. and the 811A's are 65 watts plate diss. The big advantage using 572's is the tube life (when operated in place of 811's) will be greatly extended, assuming the tubes are properly manufactured. Located in West Kelowna, BC. Looking for ROTHENBERGER Pipe Dies Set for Threading Machine Die Heads, For Nominal Pipe Size 1" to 2", 11-1/2 TPI, NPT, 4 PK (4ERZ7)? Grainger's got your back. Introduction. They actually came new with the amp when I bought it used. More information  within their specifications. Optional Die Heads for your pipe threading and fabrication setup. Abstract: 572-B 572B tube T160L tube 811A 811A tube 1626 power Triode Svetlana SV572 1626 triode Text: SVETLANA TECHNICAL DATA 572B High-Mu Power Triode he SvetlanaTM 572B is a high-mu power triode intended for use in class AB, class B and class C RF and Audio amplifiers. All Band Operation: Covers 160 - 10 Meters including WARC bands. Text: £ ß- RATINGS - DATA f0r  Chinese 811A Available in Singles or Matched Pairs - please select from list. This was It used a pair of 811A vacuum tubes purchased from RF Parts. A word of warning, that 5V supply should ONLY be used for tubes with 5V filaments. Then just plug tubes in and compare. 00. Transmitting tube 811 A for Amplifiers and Audio systems. com> Sent: Wednesday, April 09, 2008 10:58 PM Subject: Re: [Amps] Replacing 811A with 572B > >> The AL-811H runs about 1600-1800 volts HV, not 1400, which is >> why it's not a bad idea to run the 572Bs in that amp. Documents are available in PDF format. Sphere's Canadian test equipment site contains an extensive inventory of all kinds of new and used electronic test equipment, service parts, bargains, electronic parts and other items. So using the tube data sheet, and what Jim, N2EY said, you can compare relative emission by grounding the grid and bringing up the B+ probably around ~700vdc (iirc) you'd hit the typical quiescent current for the tube, not requiring any bias supply. Shuguang Vacuum Tube 572B Emitter Tube: 572B DESCRIPTION Direct heating cathode, high gain triode 572B can be used in wireless equipment for power Chinese 811A Available in Singles or Matched Pairs - please select from list. NOT ON STOCK. Each store selling tubes usually had a tube testing machine with several dozen tube sockets and various charts to find the right data for your tube. According to Terman, if two concentric (but similar pitch) grids are put in the triode and then connected to each other as a single control grid, the result is a high-mu triode that needs zero bias for Class B operation. Quick-Opening die head; Manually flip throwout lever to retract dies when thread length is cut 572b and 811a tubes in stock! open this section for all popular power output tubes for audio, guitar amps and general amplifer service. Add Review × Tubezone. military specifications SC5340A on both tubes MIL SPECS. Built to the same “Special Tube Request” specs of leading amplifier manufacturers of the 1960s, the 6L6GC STR is a rugged and reliable power tube for use in the most demanding guitar amplifier circuits. (F) means "Filamentary", and (H-K) means "Heater-Cathode. The 833A is a medium-mu power triode intended for use in RF amplifier, oscillator, or class B modulator service. Also looking for tube data sheets for older glass transmitting tubes such as 4-65A, 4-125A, etc. FEATURES The AL-811H is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. Set of 4 x 811A tube matched. With plate dissipation of 1000 Watts they are not as rugged as some more expensive tubes. Tube 811A FU-811 for Medical Tube Transmitter Triode Valve Vacuum Tube. Click here for help on how to enter cyrillic characters if you don't have a keyboard which supports them. Tube heaters have very low resistance when cold, drawing considerable starting current. 11. Describe your experience with the RF Parts 811's and tell us why you give it the rating you did (required). 811a tube specs

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