M3 combo: THS4631/OPA627

Oct 8, 2005 at 7:19 AM Thread Starter Post #1 of 1

TerTop

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Just tried the THS4631 (L/R) with OPA627 (G). First impression is the soundstage and instrument separation is better than all THS4631 in 3 channel with my Grado 225. The 3 x THS4631 is thin sounding and ear piercing at high volume. Pop the OPA627 to ground seems to tame the spiky highs and open up the soundstage considerably but at the expense of speed. Might worth a try tough.

DC offset is 2.2mV, 3.3mV, 0.1mV in L,R,G channel (hand picked chip
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