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Post by ashcatlt on Jan 21, 2009 15:06:13 GMT -5
My hypothesis on this (it's not a theory because I haven't tested it) is that the annoying parts of the click are the frequencies which fall outside of the normal frequency range of the guitar. The components of the impulse which are shared by the guitar signal should be sufficiently masked as to not be noticeable.
Perhaps it would be possible to find a capacitor value which would give you a cutoff frequency somewhere around 5-6KHz, just above the highest frequencies we expect to get out of the guitar. This might reduce the "snappy" part of the switch pop without affecting your tone too much.
Of course, there's probably some low frequency energy to this noise as well, the "thump" part of it. This could be alleviated some by a capacitor in series with the hot output, chosen to cutoff below the lowest note you intend to produce. If you always play in standard tuning, you'd shoot for somewhere around maybe 75Hz. This has the added benefit of reducing the fundamental frequency of our freind the 60 cycle hum. If you choose a high enough voltage rating, it also takes the place of the "safety cap" from the QTB mod, isolating everything but the jack itself from stray DC current across the amp's chassis.
HTH
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Post by warmstrat on Oct 29, 2012 15:42:17 GMT -5
By the way (he said, resurrecting a long-dead thread) I found one of those on-off-momentary switches just by chance in one of the electronics labs at University ('college', for those of you in the US ) It's exactly as awesome as you'd expect. If I get any more inspired by all the new possibility I guess I'll have to put something up on youtube
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