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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Shunt Attenuator Myth posted by Steve Eddy on January 17, 2007 at 17:47:22:
Less is more, in this case....the series element is shorter...just a resistor...the shunt element (resistor, and switch) is the same as ladder....so the shunt sounds purer. I first made a ladder attenuator in 89 to sell and then discovered the shunt idea and it sounded much more pure to have the switch and wires and solder joints not in the series signal path......all switches, all solder and all wires mess the sound up. The shunt attenuator has just the resistor in series with the signal and the same amount of junk to ground as a ladder attenuator...hence purer sound. easy to hear....A/B yourself. In a passive attenuator box or on the input of an amp you can solder the nude damped Vishay directly to the input jack and to the output jack or input circuitry without any added parts....then you use a high quality switch with resistors (best you can afford) to ground. So there might not be any technical reason to use a shunt attenuator but certainly it sounds better (in most cases..there are some cases where keeping the input impedance constant might be helpful, etc. but in most applications it is just plain more transparent)...and that is the only reason I do anything in audio....to get the best sound I can.
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Follow Ups
- Shunt attenutaor just sounds better than Ladder - Ric Schultz 23:40:07 01/25/07 (1)
- Re: Shunt attenutaor just sounds better than Ladder - Steve Eddy 10:01:40 01/29/07 (0)
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