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Powered Subwoofer connected to integrated amp's speaker outs?

I'm interested in purchasing a REL T/7i which is a powered subwoofer. I have an older Marantz PM7000 integrated amplifier which has no explicit subwoofer outs. REL has a tutorial about hooking up their powered subwoofers to the amp from the speaker outs on the amp to the high-level input on the sub. This is all very straightforward and simple. What is not clear, however, is if there will be any power demands on the amp. My guess is no, since the T/7i has its own amplifier. I would like all the power from the PM7000 to be available to the KEF LS50 Metas that I'll have hooked to the other speaker outs. Can someone please address my concerns? Thank you.
jwhite

Showing 1 response by mglik

mglik
914 posts
 
I have tried to use my Rel-like sub using the amp speaker binding posts. Did not notice any real change. It was recommended that I get a Jensen XLR to RCA transformer and run balanced output from my Atma-Sphere preamp the the  single ended input on my sub.
It is said that this is the best connection. Waiting for my Jensen transformer. Look forward to getting better results. I did always think that the high level Rel Speakon connection was best. Maybe not?
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