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What's up with my speaker system?

Asked by andrew (16543points) July 8th, 2008

I have a bunch of speakers strewn inside the walls of my house that I inherited from the guy that owned the place before me. In each room, there’s a control knob that adjusts the volume. I have the whole thing hooked up to a vintage Marantz receiver, using these splitters.

Problem is, when I turn up the marantz volume past a certain point (say, 3/4 on the knob), the bass starts crackling on the speakers. If keep the volume down on the marantz but turn up the volume on each room, they’re fine.

When I had a pair of NHT speakers hookeup to the marantz, I never had this problem.

What’s the problem in this equation? The speakers? The wiring? The receiver?

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