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General speaker questions for audio and home theater.

Re: measurements

JA uses 2.83V at 1 meter for sensitivity measurements with B weighting, so this is not a true 1 watt @ 1 meter senstivity measurement. It would be if the speakers impedance over the weighting range was 8 ohms (1 watt = 2.83 Vrms into a 8 ohm load), but the average impedance looks higher than that to me (except for that short dip to 6 ohms at 500 to 500 Hz) which would mean that the 1 watt at 1 meter sensitivity for the speakers could well be a couple dB higher than the 80dB and account for another part of the difference between Jeff's specs and JA's measured number.

Rich Brkich


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  • Re: measurements - Rich Brkich 12:31:26 09/25/01 (0)


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