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Preamp hum

Hi, I just purchased a Ming Da 2A3 preamp and there is a low level hum coming equally from both channels that does not increase when the volume is turned up. My other preamp is a CAT Ult MK2 that is dead quiet in the same system. I suspect it is a ground problem. Any suggestions for a remedy are greatly appreciated. Thank you.

Bart


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Topic - Preamp hum - posbwp55@msn.com 06:38:04 06/28/07 (3)

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