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What kind of cable for sub?

post #1 of 21
Thread Starter 
I have a Mono price sub and a Denon 1613. The receiver has a small, black input for the sub. The sub has a red and white input, and two sets of +/- inputs. What kind of cable should I get to connect the sub to the receiver? I've looked around and can't figure it out.
post #2 of 21
1. A single RCA-to-RCA cable, from your AVR's subwoofer output to either the left (white) or right (red) analogue input on the sub.
- OR -
2. A single RCA-to-RCA cable, from your AVR's subwoofer output to a Y-splitter, which then connects to both the left and right inputs on the sub.

The subwoofer's owner's manual should tell you which method to use. If it doesn't specify, any of the methods should work just fine.
Edited by eljaycanuck - 7/1/13 at 6:47pm
post #3 of 21
Thread Starter 
I think I found the right one, but it's only like 8" long. Guess I should get an extension cable or something?
post #4 of 21
Quote:
Guess I should get an extension cable or something?
You buy whatever length of cable you need to get from your AVR to your sub (or from your AVR to your Y-splitter).

Monoprice's cables are a good value.
Edited by eljaycanuck - 7/1/13 at 7:50pm
post #5 of 21
Thread Starter 
Quote:
Originally Posted by eljaycanuck View Post

You buy whatever length of cable you need to get from your AVR to your sub (or from your AVR to your Y-splitter).

Monoprice's cables are a good value.

Gotcha. Thnks for the help. Your setup looks awesome, BTW.
post #6 of 21
Glad to help. And thanks! smile.gif
post #7 of 21
Quote:
Originally Posted by Kiko1986 View Post

I have a Mono price sub and a Denon 1613. The receiver has a small, black input for the sub. The sub has a red and white input, and two sets of +/- inputs. What kind of cable should I get to connect the sub to the receiver? I've looked around and can't figure it out.

http://www.bluejeanscable.com/store/subwoofer/index.htm
post #8 of 21
blue jeans is over priced...a simple mono price sub cable does the same thing.
post #9 of 21
Quote:
Originally Posted by basshead81 View Post

blue jeans is over priced...a simple mono price sub cable does the same thing.

Just your opinion.

You get what you pay for. I've had the BJC LC-1 in my system connecting my Denon AVR-3313 and AVR-3310 previously, to Rythmik F12SE for the past 2 years. Excellent, well constructed and robust sub-woofer cable.
post #10 of 21
These are the cables we use; Mediabridge.

Very nice look/finish/delivered price.
post #11 of 21
Quote:
Originally Posted by Iain- View Post

Just your opinion.

You get what you pay for. I've had the BJC LC-1 in my system connecting my Denon AVR-3313 and AVR-3310 previously, to Rythmik F12SE for the past 2 years. Excellent, well constructed and robust sub-woofer cable.

No... I just try my best to not let marketing get the best of me. wink.gif

However go with whatever makes you feel all warm and fuzzy inside. smile.gif
post #12 of 21
Quote:
Originally Posted by BeeMan458 View Post

These are the cables we use; Mediabridge.

Very nice look/finish/delivered price.

looks very similar to the mono price premium cables.

http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10236&cs_id=1023603&p_id=2683&seq=1&format=2
post #13 of 21
Quote:
Originally Posted by basshead81 View Post

No... I just try my best to not let marketing get the best of me. wink.gif

However go with whatever makes you feel all warm and fuzzy inside. smile.gif

Fair enough.wink.gif

However, BJC make no outlandish and unsupportable product statements and have fair pricing on all items.

Certainly nothing like Monster Cable rubbish.
post #14 of 21
Quote:
Originally Posted by Iain- View Post

Fair enough.wink.gif

However, BJC make no outlandish and unsupportable product statements and have fair pricing on all items.

Certainly nothing like Monster Cable rubbish.

Yes I agree...Fwiw i used high dollar monster and audio quest cables in the past and never noticed any difference from less expensive units.
post #15 of 21
Quote:
Originally Posted by basshead81 View Post

Yes I agree...Fwiw i used high dollar monster and audio quest cables in the past and never noticed any difference from less expensive units.

.................................^

(Guilty)

In the beginning....there was darkness. tongue.gif

Although, sometimes I have noticed minor differences to a point where one wants the more expensive for the (proveable/unprovable) perceived, nuantic differences heard.
post #16 of 21
Quote:
Originally Posted by Iain- View Post

Quote:
Originally Posted by basshead81 View Post

blue jeans is over priced...a simple mono price sub cable does the same thing.

Just your opinion.

No, as long as it doesn't fall freaking apart, take it for scientific fact.
Quote:
You get what you pay for.

...If you know what you are doing or are lucky. Spending more money has few absolute guarantees but a reduced bank balance.
Quote:
I've had the BJC LC-1 in my system connecting my Denon AVR-3313 and AVR-3310 previously, to Rythmik F12SE for the past 2 years. Excellent, well constructed and robust sub-woofer cable.

I don't doubt the construction quality, but I seriously doubt the absolute need for it in most home applications.

I also don't doubt the price all things considered, but I know for for sure that the job can be done well in most situations for less.
post #17 of 21
Cables.....Achhhhhhhh

When it comes to "Quality Cables"....much of what is being talked about in Audio is a complete joke.

Blue Jeans Cable (BJC) makes a quality product, with Professional Quality materials at a very reasonable price.

My personal "Go To" is "Cable Solutions www.CS1.net

Basically the same Belden or Canare cables as BJC, along with very fair pricing, but they offer some services more geared toward
the professional user.

Either way....BJC, or CS1 are selling you a PRO standard in Cables, and you'd be hard pressed to find a Studio that wasn't wired
Stem to Stern with this cable. There is a LOT of engineering data supporting these cables, and THIS is why Pros buy it.

10 years from now? Unlike the Boutique Gourmet cables.....BJC and the like will STILL be a high quality cable.

BJC is JUST fine IMO.

Belden Brilliance, or Canare LV-61 or LV-77 is awesome for a Sub.

Buy with Confidence.

CV
post #18 of 21
I have an ungrounded coax splitter mounted on the back of my TV stand, directly above all of speaker wire runs. I've had terrible "hum" with my sub when I tried using a super cheap Scorche RCA cable.

Switching to a 25' Mediabridge cable removed all traces of the hum. Switching back to the old Scorche cable brings the hum right back, and the closer I put the cable to the coax splitter, the louder the humming gets.

The Scorche cable looks terrible, and clearly has insulation issues, but it's interesting nonetheless.
post #19 of 21
Quote:
Originally Posted by Louquid View Post

I have an ungrounded coax splitter mounted on the back of my TV stand, directly above all of speaker wire runs. I've had terrible "hum" with my sub when I tried using a super cheap Scorche RCA cable.

Switching to a 25' Mediabridge cable removed all traces of the hum. Switching back to the old Scorche cable brings the hum right back, and the closer I put the cable to the coax splitter, the louder the humming gets.

The Scorche cable looks terrible, and clearly has insulation issues, but it's interesting nonetheless.

Quote from:
http://www.bluejeanscable.com/store/subwoofer/index.htm

"In some ways, the subwoofer cable interconnect is the least demanding application in home theater. While HD video demands cables able to carry high-bandwidth signals, at tight impedance tolerances, the subwoofer cable has the relatively easy job of carrying a very low-frequency, very low-bandwidth signal. But a subwoofer cable has a critical job to do, and needs to do it well: keep out hum. Hum can come from ground loops (cable won't help you if that's the case, but see our isolation transformer below) or, often, from EMI (electro-magnetic interference). High-energy, low-frequency noise, like the 60-cycle hum from nearby power cords, fluorescent lights, and other miscellaneous sources, is the hardest type of interference to shield against, and the best defense here is a dense and highly-conductive braid shield. "

Obviously the Mediabridge cable is well screened and other isn't and was never designed as a sub-woofer cable. It's why the former works and the latter doesn't.

BTW for Monoprice fanboys, I'm not a BJC employee and never have been, Point of this post is simply to explain why the Mediabridge cable solves your problem.
post #20 of 21
Quote:
Originally Posted by Iain- View Post

Quote from:
http://www.bluejeanscable.com/store/subwoofer/index.htm

"In some ways, the subwoofer cable interconnect is the least demanding application in home theater. While HD video demands cables able to carry high-bandwidth signals, at tight impedance tolerances, the subwoofer cable has the relatively easy job of carrying a very low-frequency, very low-bandwidth signal. But a subwoofer cable has a critical job to do, and needs to do it well: keep out hum. Hum can come from ground loops (cable won't help you if that's the case, but see our isolation transformer below) or, often, from EMI (electro-magnetic interference). High-energy, low-frequency noise, like the 60-cycle hum from nearby power cords, fluorescent lights, and other miscellaneous sources, is the hardest type of interference to shield against, and the best defense here is a dense and highly-conductive braid shield. "

Obviously the Mediabridge cable is well screened and other isn't and was never designed as a sub-woofer cable. It's why the former works and the latter doesn't.

BTW for Monoprice fanboys, I'm not a BJC employee and never have been, Point of this post is simply to explain why the Mediabridge cable solves your problem.
Even Blue Jeans overstates how basic a cable is required for a sub, though at least they did note that the main source of hum is ground loops, and that cables won't cure those. Where the Scorche RCA cable in question is concerned it must have been simply defective.
post #21 of 21
The Scorche cable had very wimpy insulation many bends and "kinked" areas. Though there didn't seem to be any noticeable knicks in the insulation or wiring.

What was interesting though, was that the insulation was "clear", allowing me to see the actual wires inside. It was basically a thin (possibly 20 awg) insulated wire with a noninsulated wire wrapped around. No mesh shielding here..lol

I eventually chopped up the Scorche cable and noticed the individually insulated wire looked to be a basic steel or iron wire, while the outer wire was copper-like. It's as if they used leftover thermocouple wire and put RCA ends on it. One tiny knick in the inner wire's insulation and you'd have a type J thermocouple between your receiver and subwoofer. Stupid..

Anyways, I completely agree that subwoofer cables are extremely simple objects. I have built my own subwoofer cables, with individually insulated copper wiring and RCA ends. Never had any humming issues with these cables, similar to the Mediabridge, when used in the same situation the Scorche was used in.

The Scorche cable was just poorly built and failed because of this.
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