Question about Audio Players & Recorders
The problem turned out to be the EABC 80 Triod Amp Valve Thanks for the A262 circuit download. Im only able to print half?
Posted on Aug 06, 2008
Hi, you can get a circuit from here, and the tube you need is a 6P1. They are rare, and a little hard to find try eBay. Chinese copies, but will do the job. Found this interesting info regarding an upgrade until you can find an original
The 6P1 is a slight oddball. They do crop up for not too much money andif you have room for a larger envelope a 6P25 is a good alternative.These are both high slope valves and an American substitute such as a6V6GT will not work well here.
If you are forced to make an adapter, I would suggest using a 6CH6 (B9Abase) and adjusting the bias. It will need less bias than the 6P1 soyou can just shunt the existing resistor - taking out the errors at thesame time. This also makes it easier to refit a 6P1 when you find one.
There is more info on changing out to an similer alternative for more obtainable NOS tube.
Posted on Jul 06, 2008
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Posted on Jan 02, 2017
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