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In Reply to: Questions on pre-amp compatibility posted by Charles Chance on November 2, 2006 at 08:20:07:
I think a PAS-3x (I used to own one in the 60s) would work very well with this. There are several on audiogon, some of which look like they've been cleaned up. Given the age of the units, you might need to replace or clean selector switches (corroded contacts) and the potentiometers as well as the electrolytic capacitors in the power supply. Probably the PAS-3x's weakest aspect -- performance wise -- is the phonostage; but if you don't play records, that's not an issue.I also owned a PAT-5, which is not bad sounding with the right IC chip (not the stock one). The PAS-3x sounds more "tubey" which might be more compatible with your speakers.
I also agree that, with the sensitivity of your speakers, some vintage tube equipment might work very well. There are lots of Stereo 70s around in various states of repair and upgrading. Again I owned one of those in the late 1960s. It's a little soft in the bass and treble, but a very listenable amp. I don't think it makes its full 35 watts rated power through the full spectrum; probably more like 25 watts. I'm not familiar with the Stereo 150; however, I am with the Stereo 120. I thought the 120 was a pretty nasty-sounding amp; the Stereo 80, which is the same amp with a less stiff power supply, actually sounds better. I also was very fond of the Stereo 400, which was the last Dynaco product I owned -- of course its overkill for your speakers. Bypassing the input capacitors upped the transparency of the amp considerably ... and, of course, leaving the "power guard" off. In the late 70s, I had a pair of Magenpan MG-IIs driven by a Stereo 400, and I thought the combination sounded very good indeed.
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Follow Ups
- what e-stat said! - Bruce from DC 11/3/0608:54:39 11/3/06 (0)
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