OK I'm not sure where to ask this so I'll start here. Background: I'm running an Oppo into Conrad-Johnson pre-amp, out to Mac 601's, then to two Rel Subs and lastly into Revel Ultima Salon 2's. Apparently something in the system blew out the ground in the pre-amp (actually 2 different CJ's: one a solid state the other a tube). Both pre-amps had been working fine on different occasions (yeah I "tinker" with components). I'm using a different pre-amp now and don't currently have a problem (pun intended). Any ideas on what might do something like that, or what I should check in the system? The room is in an older part of the house so the plugs may not be grounded, but I don't know if that would be the source of the problem. I think I'm going to have an electrician out here to check the plugs and ground them if they are not grounded (they have the prong input - I don't think a ground was connected), but I'd like to be sure it's not something else. I'm not all that technical so any of you electrically educated folks sound off and help me here. I appreciate any advice you guys/gals may have.
Quick response: First: Thanks! Second: I like your reasoning. The subs are hooked up per Rels instructions which are as you suggest. As for the action of the sub back into the preamps: that really sounds right. The preamp's ground acted as a fuse protecting the rest of the circuitry of the preamp (apparently). I will also check with McIntosh.
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