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The steel came from the same place as pills did lol.....

Oh this thread just got better than sex ;)..I got my first 3cx3000A7 tube's in the late 80's early 90's i had never played with or had much info on them....But being full of piss an vinegar of a younger age i proceeded to throw an amp together....An it worked yee haa an look at that watt meter i...

I thought i done said that maybe i was dreaming lol

You do not want to jump c227 that's a very good way to blow the 2312 an other things in the circuit....

The older schematic says it's 33uf at 25v so the 50v rating is ok and 33 to 100 uf i'm sure would be ok their ....maybe some rf got into it an let the smoke out ...good luck

oh also check any and all switching diodes right their at around the keying circuit they will be little redish in color glass diodes maybe just one or maybe two of them depends how they designed the keying circuit.....

Well does it have a ssb switch ? that would put a cap in the keying circuit with it on....try that an see if it holds....or helps...if it does you could just put about a 10 mf 16vdc cap across the relay coil an it should hold it make sure the - side of the cap is at the keying circuit side of...

You know the maco 200 uses 6lb6 tubes an a 6lf6 will plug right in an work fine so you might give it a look at....whats the problem you are haveing with it if i might ask....Thanks Don

how is the ssb power is it ok or is it gone too? if it,s ok then check out the compresor cicuit their are two diodes their that can go bad....hope it helps

check the grounds and caps in the freq counter i think they had some problems their......hope it helps

Earl tunning an amp can be confusing at times and the metering is not the same on all amps.With that being said just a good ole watt metter can be used with no meter at all on the amp...You can tune an amp i have found a couple of ways one way is to tune for the highest dead key(no modulation)or...