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I have a sub with a bad amp. I also have an old stereo amp (not bridgeable) and a Denon a/v receiver. I want to go from the receiver's sub out to amp's stereo in to sub (4 ohm).
I know I can just use one channel of the amp to the sub. It does work, but at a reduced level. Would this configuration sum the channels? It's a mono source, so I wouldn't be combining 2 mis-matched stereo channels.
Being a cheapskate, I'm not interested in buying anything, but I also don't want to damage anything either.
Edits: 05/06/16Follow Ups:
What you have drawn is a parallel configuration and it's not a good idea. You might let the smoke out of the amp.
Dark energy? Ridiculous!
We live in an electric universe.
Edits: 05/08/16
Thanks you for answering my question.
The amp says nothing about being bridgeable. Also, bridging usually means use speakers 8 ohms or higher.
I don't believe the diagram shows bridged wiring.
I looked at plate amps. It's a possibility, but I'd rather do this with what I already have.
Whats the amp? Sometimes only the manual can answer the bridge question.
ET
I'm not asking the bridge question.
Or telling what amp it is
You've answered your own question. You say your amp is not bridgeable and output wiring you show is bridged wiring. So no.
Had the same scenario. I only needed a little extension on my monitors so I didn't want to drop $1k+ for a good sub, and my NHT 10" sub had worked fine in the past. So I bought a Bash 300S plate amp (300 watts) from Parts Express for $169 shipped. Item included Vol, Freq, Phase, and Stand by controls. I than made a small frame for it so that it could stand on it's own as a separate component. Has worked fine. Some day if I can find a high quality sub sed I will go that way, but currently this is working fine - and was an inexpensive solution. There are alternative plate amps I believe at Madisound if you want to go that route.
But what is the amp? It may be bridgable but that usually uses both positives. Also bridgable amps usually only require one RCA to be connected not two so you not likely need the Y. Dont try it until it is verified or not that you can bridge it. All amps are different. If its not use one channel.ET
Edits: 05/06/16 05/06/16
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