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I've been trying to successfully connect my amplifier to my speakers using 12 gauge speaker cables. However, the speaker output on my amplifier is too small. As a temporary solution, I tried fraying the ends of the cables into two parts, and only inserting one into the speaker output, although this creates distortion. I am aware of banana plugs, although all the ones I've looked at aren't the right size. I've attached a picture to give you an idea.
I'm using a Marantz amp from the 70's. I've also ruled out that the amplifier is not causing any distortion of its own.
Is there any solution to this? Any help would be appreciated.
Thanks
Follow Ups:
Hi, Gabe,
I've use these connectors with good results with a Harman-Kardon receiver. You can flatten the connector a bit and the teeth of the output binders grabs it fairly well.
Regards,
Tom
I've read the posts so far. Kootenay's recommended "pin connectors" look good at first. But there is a significant limitation, which is "contact area".Look at the amp's connectors. Inside the connector, there are two flat thin "teeth". If you put a solid pin into it, you'll have a VERY tiny connection point. This is similar to putting a typical 1/4 inch "phone plug" into a 1/4 inch phone jack. (That's the type of connector on "full-size" headphone connections.) If you've ever looked at the innards of such a connection, you'll see that it's a very tiny contact point. This is one reason why they're not recommended for speaker connections (nightclub speakers come to mind).
You can illustrate this for yourself: Draw a circle of, say, 1/2" in diameter just to make the diagram easy. Then draw a straight line which is tangential to the circle. Then, draw another tangential straight line, on the opposite side of the circle. These are your contact points using a solid rod connector sandwiched between two flat teeth.
It would be much better to simply trim off (as in, remove with a wire cutter) enough strands so that the multi-stranded cable fits into the hole without loose/excess strands. The flat teeth will clamp down on them as best they can, based on the spring strength, and give you a MUCH larger contact area.
:)
Edits: 09/21/15
I agree, that is why I recommended just to solder the ends if he wanted a "pin" of sorts.
60/40 is soft enough to get a little bit of a bite mark on it from the clamp, especially if you help it.
As Wayne mentioned, that ginormous wire is completely unnecessary, but I figured leave well enough alone as it is not lacking anything, aside from the fact that he can't connect it.
△ᴉʇɐuᴉɯnllI oᴉpn∀△
How long are the runs , 16g or 14g should more than suffice on short runs ....
It's called speaker cable's pin connector...
If a thing's worth doing, it's worth doing well
(Proverb)
A really cheap way would be to solder a solid core length of copper to the end of your wires. So just the solid wire is in the hole.
(I would wrap a thin wire around the exposed stranded wires with the solid core sticking out then soldier. You could add a shrink sleeve if you wanted to... neater presentation.
Way way cheaper than buying a bunch of connectors.
Edits: 09/19/15
That is a good idea.
△ᴉʇɐuᴉɯnllI oᴉpn∀△
Even if potentially somewhat labor intensive.
I like it.
Too much is never enough
I would divide it as you have so it will fit, perhaps add some solder to make a tip and cut off the excess.Those sockets aren't really designed for banana plugs anyways.
Don't lose any sleep over creating distortions, the trace on the other side of the jack is already very small compared to your wire.
Cheers.
△ᴉʇɐuᴉɯnllI oᴉpn∀△
Edits: 09/19/15 09/19/15
Thanks for the responses. I think I'll just try getting some of those speaker cabe pin connectors
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