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420 built 8pill amp 2500 watts

Ok here is the 8 transistor “pill” inside view and voltage that I was emailed about. I am currently starting a straight six maybe this weekend. When I finish I will post video. Then it will be for sale… [email protected]

AMPLIFICATOR GU81 – YO2UA

Am testat acest amplificator cu tubul Gu81 la maxim iar acesta ma suportat.Recomand in QRO ca o piesa serioasa si foarte utila.

Econco 4CX20000 Tube Internal Damage?

An Eimac/Econco rebuilt power grid tetrode, a 4CX20000A, previously installed in a Harris HT20CD commercial FM radio broadcast transmitter for KTIJ-FM, exhibits a metallic clanking sound when inverted. Suspect internal damage to one or more of the vacuum tube elements.

75A-4 longer demo

Slightly longer demonstration of mint condition Howard Mills restored 75A-4 SN4537.

3CPX5000A7 Amplifier By W

This Amplifier with 350w drive input and 6k Plate Volts, will give you 10KW RMS..The tube has a factory Plate volt limit of 6.5KV, So there’s more room for Watts in this Tube..73’s Enjoy the Video.. W