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In Reply to: RE: Thinking of going passive, and need advice posted by BCR on March 26, 2015 at 11:05:31:
5mV input with 44dB gain will give you 790mV output, so less than half what you need. The 1900mV input sensitivity of the Quicksilver amp is about double what a typical amp requires for input voltage to drive it to clipping. I am disposed to believe that the Quicksilver amp is intended to have a gain structure that reduces the noise and distortion of a typical preamp/amp combination. Most preamp/amplifier combinations have too much gain which degrades the signal. Normally, the excess gain is reduced in the preamp's volume control so as not to overdrive the amp; but it makes no sense to have a high gain preamp and then an amp that is overly sensitive. Each of the superfluous gain stages add noise and distortion. It appears as if the Quicksilver amplifier is engineered to require an active preamp and the benefit is lower noise overall.
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Follow Ups
- RE: Thinking of going passive, and need advice - Palustris 12:08:57 03/26/15 (3)
- RE: Thinking of going passive, and need advice - BCR 12:33:27 03/26/15 (2)
- RE: Thinking of going passive, and need advice - Palustris 12:37:00 03/26/15 (1)
- RE: Thinking of going passive, and need advice - BCR 12:46:30 03/26/15 (0)
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