Does anyone have experience driving Quad 63's with a triode amp in the 25 watt range? What is the real effect on volume levels when you switch from triode to tetrode on the same amp? For Quads? trode? or tetrode? John
Unless your listening room is small or you listen at relativly low volumes 25 watts is really not enough. The speaker is not hard to drive but assuming an average listening room and volume level around fifty watts/ch would be a resonable starting point. IMHO, tubes are the way to go. OTL's would be the amps of choice. The Atmasphere M60 would be a nice choice at a reasonable price.
The very best I have heard my Quad US Monitors sound was with the Unison Research Smart 845 monos...25 watts per channel single ended. However, my experience is that with the Quads 25 watts from one amp may work while 25 from another may not. I also thought that the Cary 572s sounded good...20 wpc...but not in the same league with the Unison. Good luck...you just have to try amps until you find the one that sounds "golden" to you in your price range.
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