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I have a pretty basic question: I've got a Klipsch Sub 10 Subwoofer with an LFE input that has a right and a left channel input. I've just discovered that my Monster cable that accommodates this is breaking. But I can't find online any cables that have a single output from the receiver and a dual input into the subwoofer. Do I really need the dual input? It seems odd since there is no separation between a right and left channel out of a single speaker. I don't know what kind of cable I really need to replace my defective cable with. Your advice is much appreciated.
 

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The RCA cable is doing in one plug, what we're use to doing with two wires when connecting a speaker. The outside of the RCA housing is the ground and the center tip is the hot connection. This as opposed to using two wires to accomplish the same connection.

RCA plug.


Either way the subwoofer is connected, it's connected using a mono signal, just as a single speaker is connected using a mono signal.


The dual connector solution is using an amplifier driven output as opposed to the pre-out or unamplified signal which most subwoofers use when connected to AVR's.


In the case of AVR's with bass management, the LFE channel is ported to the subwoofer via the unamplified pre-out vs the full frequency signal that's ported to speaker channels using amplifier aided connections.


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Quote:
Originally Posted by Mrkazador  /t/1469865/lfe-cable-to-a-klipsch-subwoofer#post_23243188


You only need a single RCA cable. Connect to either the L or R input on the sub, no need to connect both.
+1, and don't waste $ on Monster. You may find that the sensitivity of the sub is a bit less using a single input, but that's easily fixed by turning it up a smidge.
 

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Quote:
Originally Posted by shendley  /t/1469865/lfe-cable-to-a-klipsch-subwoofer#post_23246799


Thanks, guys. That helps a lot. And, no, I won't be overpaying again for a Monster cable. I'll probably get one of the Mediabridge cables Amazon is pitching.

Currently, we're using matching 15" Mediabridge subwoofer cables . Delivered, two day Prime membership on Amazon, $9.99. Quality build at a great, two-day delivered price. We also use their RCA "Y" splitters which are a lot of quality, delivered, manufacturing effort, for $9.99.


Check it out, in the case of the 15' subwoofer cables.......three hundred and forty-three reviews and only five complaint reviews of one or two stars. In my book, that's a lot of happy campers.


Just to be philosophically fair, Belkin has a nice Prime delivered substitution, looking far better then cheapie RCA equivalents.


Delivered for a tad bit more than the price of a shot of casino bar Tequila, tip not included.


I paid five bucks for a shot of Casino provided and with standard bar tip, these cables are basically the same price as a "measured" (oh, come on, you're kidding) shot and better looking then the server.



The point, at these prices, I can validate buying Mediabridge subwoofer cables but I can't validate buying five dollar shots of Casino provided Tequila.


(out of fairness, please make note how the number of complaint reviews have increased as the price drop)


Belkin has 9.3% worth of complaints vs 1.5% worth of complaints filed against Mediabridge cables. In my opinion, the above difference qualifies as statistically significant.


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