Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
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We appreciate your help
in keeping this site going.
Also remember: This is NOT a photo multiplier as might be used in a scintilation counter. It simply a low noise variable amplifier with adjustable gain!
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