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Old 30th October 2007, 02:45 AM   #1
O_ROD is offline O_ROD  Canada
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Join Date: Jan 2007
Location: Ontario
Default Broken negative terminal, can I share?

Looking at buying a Harmon Kardon receiver for a bargain basement price. The only problem is the Negative terminal on the front left out put is broken off. My question is, would I be able to Use the Left positive lead and share the right negative lead? Would this work? Or how hard is it to change out binding posts?
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Old 30th October 2007, 02:19 PM   #2
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Join Date: Oct 2007
Basically, if the price is right and you have some reasonable belief that the HK unit works:

>Buy it, then open the case and trace the wiring; find out if the negative spkr leads for both the right and left channels end up on the same place on a terminal or circuit board. If they do, then they're "common", and you can do what you said...
>Binding posts aren't difficult to change. Sometimes the end of the posts is soldered directly into a pc board, but on an older unit, this shouldn't be the case. If the negative post is separate (not part of a unit assembly that includes ALL spkr outputs), you can carefully unsolder the wire(s) and if necc, make sketch so you know where everything went..., then (always gently - don't want to hurt the old dear) unscrew the old bining post. You might try my audio favorite,; they have a very good selection of such harware.
If you're a purist, you may need to search for the EXACT style of binding post, but if you're more practical, ANY binding post should do, if it matches the physical space/dimensions.
Be careful, this is the output of the amp, so mustn't take the risk of a short... Feel free to contact me and I'll lead you through the work if it would help. Bdog
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Old 30th October 2007, 02:24 PM   #3
O_ROD is offline O_ROD  Canada
diyAudio Member
Join Date: Jan 2007
Location: Ontario
Thanks a bunch for the info, I guess I'll have to open up the unit to see what I can do with it. I'll keep you posted and how everything goes.
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