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Re: Length of Speaker Wiring [message #89193 is a reply to message #89178]

Tue, 13 November 2018 09:52

Wayne Parham
Messages: 18683
Registered: January 2001

Illuminati (33rd Degree)

No need to estimate - You can calculate:

Wire gauge - Resistance per 100 feet (both conductors, e.g. 200 feet total path length)
24 - 5.134
22 - 3.228
20 - 2.030
18 - 1.277
16 - 0.803
14 - 0.505
12 - 0.318
10 - 0.200

For best results, do not exceed 10% of the load impedance. So if the speakers are 8Ω, then choose a speaker cable that's around 0.8Ω or less. Speaker wire that's 100 feet long would need to be 16 gauge or larger to meet this goal.

For acceptable results, you can double the cable resistance to 20%. That increases insertion loss to 17% which is approximately 1dB.

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[Message index]

		Length of Speaker Wiring By: Reggie on Sun, 11 November 2018 18:15
		Re: Length of Speaker Wiring By: Wayne Parham on Mon, 12 November 2018 09:28
		Re: Length of Speaker Wiring By: Reggie on Mon, 12 November 2018 18:09
		Re: Length of Speaker Wiring By: Wayne Parham on Tue, 13 November 2018 09:52
		Re: Length of Speaker Wiring By: Reggie on Sun, 18 November 2018 10:04
		Re: Length of Speaker Wiring By: Wayne Parham on Sun, 18 November 2018 12:09
		Re: Length of Speaker Wiring By: cwemoy on Sun, 16 December 2018 03:00
		Re: Length of Speaker Wiring By: Reggie on Sat, 16 March 2019 07:47

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