In Reply to: When others mention how good the Shure is, I always smile... posted by Cleantimestream on August 22, 2015 at 14:32:24:
Yes, the lower voltage B+ can also be found on the cute chrome phono preamps I enjoy; as well as many classic vintage phono stages. For example, the Eico HF-85 and Pilot 210 also use "lower voltage" for their phono tubes. The EQ parts and values are critical. With increased power supply capacitance, these "lower voltage" phono stages can sound very dynamic.
Lately, I have been arranging their power supplies for separate cap banks for each channel; simulating dual mono construction. Nevertheless, despite the very low current drain of the 12AX7s, actually using "dual mono" separate power trannies for each channel will sound the best. Furthermore, you would be able to hear the benefits of a dual mono phono preamp even if you use a stereo amp.
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Follow Ups
- I always smile... - Interstage Tranny 18:14:54 08/22/15 (2)
- RE: I always smile... - Cleantimestream 06:55:42 08/23/15 (1)
- The Dyna phono preamp circuit is still very worthy with minor mods... - Interstage Tranny 14:26:29 08/23/15 (0)