In Reply to: Looking for guidance on Using Quad ESL-63 speakers posted by vintage9594 on January 15, 2017 at 20:16:09:
VTL MB-185 Signatures...developed a problem with holding bias on tubes...
I've used MB-450s with Acoustat 2+2s (five years) and Sound Lab U-1s (eleven years) with no such difficulties. Those stats present a slightly difference impedance profile having dual transformers, but both are reactive and generally speaking, difficult to drive.
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Follow Ups
- Curious - E-Stat 08:23:30 01/16/17 (0)