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In the Forum: Audio News
In the Thread: Lamm Industries: a special interview with a special company
Post Subject: Selling Bi-PolarPosted by Paul S on: 10/14/2013
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Excellent points about the A2, and especially the possible result of a "swinging" capacitor, if this is, indeed, how the stage works. I cannot offhand think of a single gain stage where a coupling cap is used just like this, but at those values, and at those voltages, that must be one hell of a cap...
Back to the A2, I have said before that my own A2-capable amps worked very well... until they went into A2. I also had a "double-plate" 6922 pre-amp that was biased this way by the maker, and it actually gained its fame based on that sound. However, I found it sounded much better after I re-biased it way down to match the original factory tube specs, with the bonus that it stopped needing new tubes every 3 months.
Ironically, Wilsons I have heard might benefit from 350W, or, even multiple 350W amps. IMO, this does raise the importance of "sales efforts", in terms of "packaging" the "Class A" speakers with the ML3s.
Best regards,
Paul SRerurn to Romy the Cat's Site