Recommandation for 1:6 1:8 SUT under $5K?
I’m looking for some advice on a step-up transformer that pairs well with my Audio Research LS28SE, PH9, and Hana Umami Blue cartridge. I currently have both the Denon AU-S1 and AU-340. The AU-S1 sounds absolutely beautiful—very transparent and open—but at 1:13 the gain is too high, and I’m getting some clipping, especially on dynamic peaks. Even with the AU-340 at 1:10, I can still hear a bit of overload. I’ve tried playing with loading and parallel resistors, but the issue really comes down to gain. I think something in the 1:6 to 1:8 range would be perfect, enough to keep the clarity and tone I’m getting from the AU-S1 but with better headroom. My budget is around $5k, and I’m open to any recommendations for a high-quality SUT?
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- 68 posts total
lewm something seems off, his cartridge is 0.4mv; 8 ohm coil lowest is x factor of 4 (+12db). cartridge 0.4mv would get up to 1.6 mv, possibly a bit of loss, that’s still low 3rd option x factor 8 (+18db) .4mv should be 3.2mv, should be no problem going into a typical MM Phono stage. OP says x factor 10 and 13 are too much, he detects overload. My AT440 MM cartridge has 5mv output, it never overloaded anything I plugged it into. happily, the impedance is a separate face mounted control on that unit.
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found another option that seems like it might be a good choice https://sutherlandengineering.com/sutz-2/ Stereophile review, similar cartridge type
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also in the Stereophile Review, this cost a lot less https://www.loungeaudio.com/copla continuous Adjustable Gain: 9 to 27dB Continuous Adjustable Input impedance: 300 to 40 ohms Output impedance: 1.5 ohms One rotary knob, gain goes up/impedance goes opposite direction, reduces
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- 68 posts total