Things You Should Know About Subwoofer Cables

By Janggun

Subwoofer Cable it is an analog audio interconnect which is transmit a very low frequency of analog audio signals at the same line level as stereo interconnects. There are noise rejection, low capacitance and solid construction for increased longevity which should be noticed. And the important thing of connector’s quality is the connections themselves, and conductor materials are of primary importance for long lasting quality of all analog cables

The Cable: Blue Jeans Cable LC-1 Analog Audio Cable

It is low-capacitance audio cable. It has an extremely heavy double-braid shield layer for the best possible rejection of induced low-frequency hum, and extremely low capacitance for the flattest possible frequency response. It is thick — about .305 inches in diameter — but is more flexible than comparably-sized cables, and is therefore easy to route around corners and obstacles. Unlike most analog audio cables on the market, too, LC-1 is UL-listed and bears a CM rating under the National Electrical Code, so is suitable for in-wall installation in both residential and commercial environments.

The Connectors: Taversoe Crimp RCA Plugs

Connectors are a critical part of any audio cable, because if the cable isn’t well-joined to the connectors, or if the connectors don’t make firm electrical contact with the jacks, it doesn’t much matter how good the cable is. Our LC-1 cables are terminated with the Taversoe RCA plug, a high-quality RCA plug with an all-metal body and shell specifically designed for the perfect dimensions for use with LC-1. Its all-metal body, crimped tightly to the shield braid, completes the shielding assembly from cable end to cable end, to ensure that the cables do not become an entry point for noise. These plugs are gold-plated on all jack-contact surfaces, and employ a set of leaf-spring style grippers on the outer RCA ring which apply just the right amount of force to the jack to grip it firmly without over tightening.

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Other Type OF Cables Which To Find Out :

	Canare LV-77S It has the same shielding as the LC-1, but a larger center conductor and solid dielectric, which gives it higher capacitance. LV-77S is not UL-listed or rated for in-wall use.
	Belden 1505F: Belden 1505F, also a double-braid shielded cable, is both more flexible and less expensive than LC-1 or LV-77S; in many applications, where EMI noise is not extreme, it will work equally well.
	Belden 1695A Coax: Belden 1695A is a Teflon-dielectric cable, fire-rated for use in a plenum (e.g., a dropped-ceiling space used as a ventilation return). Its braid/foil shielding provides excellent hum rejection, and 1695A is our best plenum cable for subwoofer use; if you don’t need a plenum-rated cable, however, the hum rejection characteristics of both LV-77S and 1505F are superior.
	Calrad Isolation Transformer: There are two primary reasons why an otherwise healthy subwoofer may hum, and cables can deal only with one of these: EMI. The other possibility, a ground loop, is something your cables can’t fix, and has to do with differences in ground potential in your system’s power wiring. Although the best and most permanent way to eliminate ground loop hum is by fixing the underlying grounding problem, another simpler way to resolve the problem is to insert an isolation transformer in your subwoofer line to break the ground connection between your source and your subwoofer.
	Y-adapters: Some subwoofers function best with the signal fed not to one, but two, inputs–if you’re in doubt about whether to feed signal to one or to two inputs, consult the manual for your subwoofer
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