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In Reply to: Re: How does dB apply to a cable amplifier????? posted by Bruce Righter on October 30, 2001 at 03:54:17:
Hi BruceI recall from my days in telecoms that a loss 3db represents half power. So if you cable gives a loss of 3db over 100ft (for example), you will have half the power you started with.
DB is just a measure of power and need not only apply to sound.
Regards
mark
Follow Ups:
Mark is correct, (I am in telecom). The term db is a measure of power, and this "power" can be an anlaog signal either video or audio, and also applies to digital signals with video or audio content.
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