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REL high-level connection and McIntosh Autoformers

I'm looking to integrate a sub into my existing Harbeth C7 and McIntosh MA6900 setup to fill the lower end for music. I visited a dealer over the weekend that carries both Rel and JL Audio subs. He suggest that the Rel would integrate easier if I used the Speakon interconnect but was unsure how to hookup given the Mac autoformers. The Speakon has +ve, -ve and neutral leads which connect to amplifier speaker bindings (one on +ve, one on -ve and the neutral on the opposite -ve). Any advice on whether a Speakon can be used as directed?
g_georgi

Showing 1 response by daveyf

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daveyf
2,835 posts
 
Not so fast!! 
The REL high level connector is balanced...IF the amp that it is attached to is also a balanced design, then connecting the cable to the negative terminal might in fact create a ground loop. Are your MA6900's a balanced design? Perhaps they have a separate ground connection that could be utilized; if not, I would suggest a discussion with the manufacturer of the amp and possibly the people at REL before hooking up....don't ask me how I know this.;0)
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