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#1
Posted to rec.audio.high-end
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An almost free, and appreciable, upgrade in sound for your EMU
This is not to say that the technical explanation for the change would
not be interesting to see. I would be very interested. I just don't have that kind of time. I'd much rather spend it enjoying the music. Besides, I completely destroyed the original power supply CD if you could describe the circuitry of the "bad" power supply, I would be most intrested - your description of the power output is provacative, but not definitive - sometimes someting as simple as adding another filter capacitor will do the trick - remember to parallel a high value electrolytic with a 1 uf or lower mylar, and then ideally a 1000pf ceramic or mica - the impedance of the caps can in some circuits affect sound |
#2
Posted to rec.audio.high-end
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An almost free, and appreciable, upgrade in sound for your EMU
On Nov 13, 9:21*am, "Bill Noble" wrote:
This is not to say that the technical explanation for the change would not be interesting to see. I would be very interested. I just don't have that kind of time. I'd much rather spend it enjoying the music. Besides, I completely destroyed the original power supply CD if you could describe the circuitry of the "bad" power supply, I would be most intrested - your description of the power output is provacative, but not definitive - sometimes someting as simple as adding another filter capacitor will do the trick - remember to parallel a high value electrolytic with a 1 uf or lower mylar, and then ideally a 1000pf ceramic or mica - the impedance of the caps can in some circuits affect sound I agree with you in that adding a capactor in the right place may make all the difference. The problem is that the power supply in this case is so small that the effort in modifying the circuit would be significant. It is much much easier to substitute a better power supply. CD |
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