symcbass Posted July 24, 2014 Share Posted July 24, 2014 Hi folks. Just acquired a BBE Bmax preamp on here. Lovely sounding pre, only issue is a loud hum which sounds like a ground loop issue . I was going to change my setup to a pre and power amp, but running the Bmax into the return of my current amp is unusable due to the volume of hum. I'm using nice cables and running amp and pre from the same power source, please help............... oh, my other preamp doesn't do this, just the Bmax. Cheers. Quote Link to comment Share on other sites More sharing options...
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