Luvalley Intl Trade Co., Ltd.

China Manufacturer with main products: Machinery, Equipment, Chemical, Hardware, Fabric, Lighting, Electronics, Auto

Speaker Cable

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Export Markets: North America


Speaker Cable
Audio enthusiasts the choice of speaker cable is quite an art, have heard no shortage of people to spend ten thousand dollars to buy a line. Another speaker cable is just one extreme to find a wire connected to, speak out on the line. Let us leave these two extremes, from a technical point of view the choice of speaker cable. Too small wire is clearly not good results, because the thin line of resistance, more power will be consumed in wire resistance, the bass is particularly serious losses. Although the resistance of the wire is too thick a small, but the resulting materials and money wasted.


Generally considered the wire loss (insertion loss) in 0.5dB the following can be tolerated. Output from the amplifier to the speaker of this part of the circuit, the speaker impedance, wire length, wire thickness is very important, the general approach is based on wire length and the speaker impedance to calculate the thickness of the wire. The following figures show 100 feet (30 meters) diameter wire, speaker impedance and insertion loss between.

For example:

30 m 18 lines, 4 ohm speaker impedance, insertion loss is 2.5dB, a large enough. As you know, 3dB loss means loss of half of the amplifier's output!10 AWG: 4 Ohm = .44 dB, 8 Ohm = .22 dB, 16 Ohm = .11 dB 12 AWG: 4 Ohm = .69 dB, 8 Ohm = .35 dB, 16 Ohm = .18 dB 14 AWG: 4 Ohm = 1.07 dB, 8 Ohm = .55 dB, 16 Ohm = .28 dB 16 AWG: 4 Ohm = 1.65 dB, 8 Ohm = .86 dB, 16 Ohm = .44 dB 18 AWG: 4 Ohm = 2.49 dB, 8 Ohm = 1.33 dB, 16 Ohm = .69 dB In power, long distance situations, must not mean the speaker line, Imagine 1000 watts of power output, if there is a small 0.5 dB insertion loss, the result is a loss of 100 watts of output, so worth it.

10AWG 5.26MM2 OD 5.5X11.0MM
12AWG 3.31MM2 OD 4.5X9.0MM
14AWG 2.08MM2 OD 3.5X7.0MM
16AWG 1.31MM2 OD 3.0X6.0MM
18AWG 0.823mm2 OD 2.5X5.0MM
20AWG 0.519MM2 OD 2.2X4.4MM
22AWG 0.324MM2 OD 2.0X4.0MM
4AWG 0.205MM2 OD 1.8X3.6MM
0.5MM2 OD 2.4X4.8MM
0.75MM2 OD 2.5X5.0MM
1.0MM2 OD 2.8X5.6MM
1.5MM2 OD 3.2X6.4MM
2.0MM2 OD 3.8X7.6MM
2.5MM2 OD 4.2X8.4MM
4.0MM2 OD 5.0X10.0MM
6.0MM2 OD 5.5X11.0MM

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