? re: cable to connect powered sub to preamp - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 10 Old 06-25-2019, 04:45 PM - Thread Starter
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? re: cable to connect powered sub to preamp

I'm feeling a bit confused about how to select the appropriate type/class of cables (L/R) to connect a powered sub-woofer to my 2Ch pre-amplifier. I am rearranging the listening area and will potentially need 25 ft. of cable. RCA connections of both ends. I presume I need shielded cable, if that is correct how does one discern the 'quality' of the cable and it's shielding characteristics?

Info appreciated!
Thanks/Bill
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post #2 of 10 Old 06-25-2019, 04:59 PM
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Quality product + a reasonable price = bluejeanscable.com
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post #3 of 10 Old 06-25-2019, 06:04 PM
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Also, look into a shielded COAX cable with F-type to RCA connectors, it may be a hair cheaper at 25'.
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post #4 of 10 Old 06-25-2019, 07:47 PM - Thread Starter
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Quote:
Originally Posted by vld View Post
Also, look into a shielded COAX cable with F-type to RCA connectors, it may be a hair cheaper at 25'.
Thanks, I'm not very knowledgeable about cables...are you speaking of say 'RG-6' coax cable? Like this https://www.homedepot.com/p/Commerci...4062/203726228 and then simply affixing adapters to get my RCA connection?

This would be appealing from price standpoint- compared to say the Blue Jeans cables mentioned above it's a very significant price difference.

Thanks/Bill
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post #5 of 10 Old 06-25-2019, 08:18 PM
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Media Bridge ULTRA Series Subwoofer cables from Amazon. Cheap and very well made. I have a pair of those and they work the same as my expensive Blue Jeans cables and AudioQuest interconnects.

https://www.amazon.com/Mediabridge-U...s%2C155&sr=8-3
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post #6 of 10 Old 06-25-2019, 08:24 PM
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Quote:
Originally Posted by Wgosma View Post
Thanks, I'm not very knowledgeable about cables...are you speaking of say 'RG-6' coax cable? Like this https://www.homedepot.com/p/Commerci...4062/203726228 and then simply affixing adapters to get my RCA connection?

Thanks/Bill

Yes, but you will still need connectors like;

https://www.homedepot.com/p/Paladin-...0046/202534283

OR

https://www.amazon.com/Conwork-6-Pac.../dp/B01DRQF8RS

The only drawback to using COAX is the size and stiffness of COAX does limit hiding of the cable a bit.
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post #7 of 10 Old 06-25-2019, 08:31 PM - Thread Starter
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Quote:
Originally Posted by enricoclaudio View Post
Media Bridge ULTRA Series Subwoofer cables from Amazon. Cheap and very well made. I have a pair of those and they work the same as my expensive Blue Jeans cables and AudioQuest interconnects.

https://www.amazon.com/Mediabridge-U...s%2C155&sr=8-3
Geez, now those cables are quite inexpensive indeed; maybe worth a go, little to lose.
Thanks/Bill
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post #8 of 10 Old 06-25-2019, 08:33 PM - Thread Starter
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Quote:
Originally Posted by vld View Post
Quote:
Originally Posted by Wgosma View Post
Thanks, I'm not very knowledgeable about cables...are you speaking of say 'RG-6' coax cable? Like this https://www.homedepot.com/p/Commerci...4062/203726228 and then simply affixing adapters to get my RCA connection?

Thanks/Bill

Yes, but you will still need connectors like;

https://www.homedepot.com/p/Paladin-...0046/202534283

OR

https://www.amazon.com/Conwork-6-Pac.../dp/B01DRQF8RS

The only drawback to using COAX is the size and stiffness of COAX does limit hiding of the cable a bit.
In my configuration not a big issue; only need to turn one 90 deg corner and 70% of cable run is hidden by furniture.
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post #9 of 10 Old 06-25-2019, 10:29 PM
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Quote:
Originally Posted by enricoclaudio View Post
Media Bridge ULTRA Series Subwoofer cables from Amazon. Cheap and very well made. I have a pair of those and they work the same as my expensive Blue Jeans cables and AudioQuest interconnects.

https://www.amazon.com/Mediabridge-U...s%2C155&sr=8-3
I'm using the same cable (25') as well. I get no audible noise pickup.

It's also available in white, should you prefer that.

I take it that Wgosma is using a source with no single LFE output? How about a crossover? (It's good to avoid sending low frequencies to the main speakers, if only to cut the power load for their amps.)

Last edited by bobknavs; 06-25-2019 at 10:33 PM.
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post #10 of 10 Old 06-27-2019, 11:39 AM - Thread Starter
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Quote:
Originally Posted by bobknavs View Post
I'm using the same cable (25') as well. I get no audible noise pickup.

It's also available in white, should you prefer that.

I take it that Wgosma is using a source with no single LFE output? How about a crossover? (It's good to avoid sending low frequencies to the main speakers, if only to cut the power load for their amps.)
I ordered the cable via Amazon, as usual quick delivery - they sound great. I have two cables connected to L/R line level outputs on my NAD preamp (and into SVS sub), cannot discern any humm or extraneous noise, darn cost-effective solution.
Thanks guys!
Bill
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