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In Reply to: RE: motorized volume control posted by Ralph on October 31, 2017 at 09:34:37:
By far the easiest component to run a bypass test on is a switching element. When inserting a single switching element into a a system with NO other switching elements, it becomes easy to hear the effect it has. I've never tested a relay (out of perhaps a dozen, including ones highly recommended by other designers) that didn't do very, very strange things to the sound. Kind of hard to describe, other than just basically "wrong" in a somewhat subtle way. Not edgy, or rough, or dull, or smeared or any normal audio adjective. Just a weird "halo" around images or a lack of general coherence.
In a way it is subtle, but once you are tuned into it, impossible to ignore. Most equipment is so colored that it may mask the relay colorations. It is also possible to "tune" the rest of the circuit around the coloration of the relay. That is how most people end up with "great" sounding systems - by using "system matching" they get an "impressive" overall sound - but it's like a house of cards. Putting in a better component can often make the overall sound worse as the balance of colorations has been upset.
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Follow Ups
- RE: motorized volume control - Charles Hansen 10/31/1711:58:35 10/31/17 (3)
- RE: motorized volume control - BillH 12:24:48 10/31/17 (1)
- System matching - Charles Hansen 16:01:43 10/31/17 (0)
- RE: motorized volume control - Ralph 12:19:46 10/31/17 (0)
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