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6ft High-quality Coaxial Audio/Video RCA CL2 Rated Cable - RG6/U 75ohm (for S/PDIF, Digital Coax, Subwoofer & Compos...
Access Series 14AWG CL2 Rated 4-Conductor Speaker Wire, 250ft
Get the most out of your home audio system with high quality, oxygen-free, pure bare copper speaker wire from Monoprice!
This speaker wire features four conductors made of high purity (greater than 99.95% pure), oxygen-free bare copper. Pure Bare Copper is a superior conductor to the copper clad aluminum (CCA) conductors used in most other inexpensive speaker wire. CCA is only about 68% as conductive as pure bare copper. This additional resistance is added to the impedance of your speakers and can negatively effect the sound.
For the wire to have no audible effect, the total wire resistance should be no more than 5% of the lowest impedance of your speakers. Even speakers rated for a nominal 8-ohms, may dip to as low as 4-ohms at some frequencies, which further reduces the total cable resistance allowed in the wire. Using Pure Bare Copper speaker wire ensures that the total load put on the amplifier remains as close as possible to the impedance curve of your speakers.
For example, a 16AWG 2-conductor Pure Bare Copper speaker wire has a total resistance of 0.803 ohms per 100 feet (both directions must be considered). By comparison, a 16AWG 2-conductor CCA speaker wire has a total resistance of 1.181 ohms per 100 feet. Assuming 4 ohms is the lowest impedance of your speakers, a speaker wire run can be no more 0.2-ohms total. 20 feet of 16AWG Pure Bare Copper would be 0.1606 ohms, well under the 0.2-ohm limit. On the other hand, 20 feet of 16AWG CCA would be 0.2362 ohms, well OVER the 0.2-ohm limit.
Each conductor is jacketed with color-coded PVC for easy polarity identification. The entire cable assembly is jacketed in a white, CL2-rated PVC material. The CL2 rating indicates that the cable complies with fire safety and insurance requirements, making it safe for use inside the walls of residential class buildings.
Anyway, we're building a 3500 sq ft house and used this wire to prewire numerous rooms for in-ceiling, stereo speakers and impedance-matching volume controls. So being able to pull four cables in one run was extremely convenient.
The cable itself is exactly as promised - durable, high-quality, etc. The 14/4 saved us a great bit of time over 14/2.
But as soon as we began to pull wire, the cardboard spool came apart and created a large, heavy, jumbled mess. We worked through it, but it would be nice to see a spool that was glued together so the wire would never have a chance to fall off the spool prematurely.
Here's a tip on how we worked through the issue: before you begin to pull wire, take a spool out of its box, remove the plastic wrapping, and then put it BACK in its box. Then, re-close the box (with the spool inside), placing the box's flaps OVER one another. That will "tighten" the box over the spool.
Then wrap the box with duct tape so it tightens over the spool as much as possible. Finally, cut a hole in any one corner of the box, and pull your wire thru that. With the snug fit, it will keep the sides of the spool tight, but the "axis" of the spool will spin freely, allowing you to pull the wire without tangle.
PROS: 4 conductor in one casing, great for stereo pairs
CONS: None so far
PROS: Well manufactured.
CONS: Poor quality spool
PROS: great cabling for a great price
CONS: none that I know
PROS: Product quality, decent price, and excellent customer service
CONS: None that I can think of.
PROS: fast shipping, great product, reasonable prices
PROS: product was shipped quickly, is a better product and sold well under what the box stores charge you
CONS: difficult to compare products on the website