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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: Listing of Opamps for Eastern Electric Minimax DAC Plus... posted by Doug Schroeder on January 24, 2012 at 11:26:39:
Swapping op amps is like swapping caps or resistors or tubes or whatever.....it certainly can give a better sound but only takes you so far. The next step up from normal op amps would be discrete op amps like the Burson and Dexa...these things can be purchased from Parts Connexion and can be plugged directly in and give you a much better sound than any integrated circuit op amp. Beyond discrete op amps is changing the output stage so it needs way less parts. You could use just one discrete op amp and then a coupling cap and right out. Or you could use a zero feedback buffer and cap.....or a transformer by itself or even better a zero feedback buffer on each phase and then a transformer, single discrete I-V converter or the simple circuit I use. All of these options would be way better than the complicated circuitry in the stock EE DAC....all of these options would give you much better sound.
The easiest thing to do is op amp swapping, then discrete op amps using the same circuitry and after that you really have to know what you are doing or have a serious professional do the work.
The ESS DAC is capable of incredible sound. Complex ordinary op amp circuits are not going to give you the amazing sound......no way.
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Follow Ups
- Op amps are OK there are much better circuits you could use. - Ric Schultz 18:16:12 01/27/12 (1)
- RE: Op amps are OK there are much better circuits you could use. - Bob_C 18:34:50 01/27/12 (0)
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