On 2/7/12 11:29 AM, threeneurons wrote:
Almost any dual triode can be made into a flip-flop, so your 8 transistors can
fit into 4 bottles. Even a 7-pin 6J6 can work, since flip-flops generally have
common cathodes anyway.
Not really. Audio tubes fail in that application.
The computer tubes developed in the early 1950s by IBM and
Remington-Rand solved the problem of cathode poisoning that digital
circuits excite in dual triodes.
You want the 5963 or 5965 as replacement for the 12AU7, or the 5964 as a
replacement for the 6J6. These digital tubes used to be cheap, until
some seller to audiophiles got the bright idea to claim that they have
that warm tube sound.
--
David Forbes, Tucson AZ
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