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In Reply to: Anyone using TFK 12ax7 preamp and SS amp w/Martin Logans?? posted by Wags on August 20, 2002 at 09:01:57:
hi
my whole-hearted vote is for the Dynaco PAS-3X especially with the original Telefunken 12AX7's (of course, if vintage equipment is not your cup of tea, then stop reading further!).i've used this preamp with a DIY Son-of-Zen solid-state amplifier with excellent results. The Son-of-Zen is special in the sense that you can give it any input impedance you like by just hanging a resistor across the input. I used 600k (!!) in line with the dynaco recommendation of minimum 400k input impedance for the driven amp. however, recently i've used the preamp with a Hafler DH-220 amplifier (supposedly with a 50k rated input impedance) with no significant loss of low-end response.
oh well, this probably doesn't answer your question - but i can't help waxing lyrical over the PAS-3X !!
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Follow Ups
- Re: Anyone using TFK 12ax7 preamp and SS amp w/Martin Logans?? - psarin 10:35:45 08/20/02 (0)