Ameritron 811A Replacement Power Tubes are available for all-purpose Amateur Radio service. The AL8tube is a descendent of the 8tube. The 572B is an indirect descendent of the 8tube. The 8was a moderately low mu tube, . The and tube Ameritron amps that use 811A tubes are very popular.
A large number of users experience short tube life and wonder why?
A TUBES GLOWING BRIGHT ORANGE DURING SLOW. TEST SHEET INCLUDED WITH EACH TUBE. THESE ARE THE HIGH QUALITY. Buy low price, high quality 811a tubes with worldwide shipping on AliExpress.
Thomson-CSF 811A Transmitting Tubes - Matched Pair. Buy these late date Cetron tubes made to the original RCA specifications because Cetron (US company!) bought . With so many people expressing concerns about 811A tubes , melted plates, poor dissipation, etc. I decided it would be a good idea to .
I have a Gonset GSB 2linear amp. Chinese 811A Available in Singles or Matched Pairs - please select from list. Three tough 811A transmitting tubes , extra heavy duty power supply, all HF band coverage, pressurized ventilation, tuned input, dual illuminated meters, . Upgraded the 811A tubes in my AL-8Amplifier to 572B tubes. More about this upgrade on my website: . About of these are amplifier, are integrated circuits.
Does this mean that the 811A tubes may be getting soft? I believe that the MFG tuner power meter is fairly accurate because it shows my exciter . We have mostly RCA 811A from the era when they had to last. This is the LAST of the US made 811A. Price is for a Single Tube.
You searched for: 811a tubes ! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products related to your search. For some reason, I seem to have become a little obsessed with 811A tubes whilst playing around with an Ameritron AL-8Amplifier. Find great deals for Matched Trio (3) Machlett 811A Tubes. Shop with confidence on eBay!
Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes.
You get absolute stability and superb performance on . Find 811a tubes from a vast selection of Collectables.
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