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Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time. |
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In Reply to: 6U8? posted by dee eye why on November 23, 2014 at 06:27:51:
If you already have or can quickly acquire quality 6U8s, use them. As I already stated, the supply of useful pentode/triodes is dwindling rapidly. The 6U8 and 6GH8 are (more or less) interchangeable.
Unless 1 of the remaining tube makers steps up and starts making a useful tri/pent, we are going to be forced into taking "radical" measures, in order to keep fine equipment functional. In the case of setups (including Scott and Sherwood) that DC couple a pentode voltage amplifier to a "concertina" phase splitter, a possibility is a 6922 cascode DC coupled to a MOSFET "concertina" phase splitter. An obvious "gotcha" is the wretched PSRR of cascodes, which forces a person to regulate cascode B+.
Eli D.
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Follow Ups
- RE: 6U8? - Eli Duttman 07:44:30 11/23/14 (0)
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