New AV Receiver to work with Yamaha Sub System Connector

billface

Novice Member
Hello. I currently have a Harmon Kardon AVR 155 that would seem to have given up outputting video. I also have a Yamaha YST-FSW050 Sub, that is connected into an AC outlet on the back of the AV receiver. So the sub is powered off when the AV receiver is on standby. I am quite attached to this sub, as its small and fits under the sofa (the rumble seat).

So I would like to replicate this sort of automatic power on system with a new AV receiver, but seemingly the AC outlet is out of vogue.

The sub does have a system connector which I gather works with a 3.5mm jack supplying 12v. I don't think its a trigger though, but I could be wrong.

Does anyone have any bright ideas?

I'm handy with a soldering iron...
 

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