In Reply to: Heathkit w-5M questions posted by daseman on June 19, 2015 at 13:48:14:
No need to have a preamp connected in order to balance or bias the amps.
Vintage KT66 GEC gray glass brown base or the new reissue KT66 Gold Lion are the tubes to use.
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Follow Ups
- Great amps!!! - Mossback 18:20:43 06/19/15 (2)
- RE: Great amps!!! - daseman 21:34:54 06/19/15 (1)
- RE: Great amps!!! 6P3S-E - PeterI 09:11:18 06/21/15 (0)