If efficiency is measured per watt,

High Efficiency Speaker Asylum

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In Reply to: How Is Efficiency Determined In Multiple Drivers? posted by thetubeguy1954 on April 4, 2007 at 12:33:06:

it won't increase in the 800-30K range. However, at lower frequencies, efficiency will increase 3 dB with each doubling of driver number.
How low they will go? Suppose one driver is -12 dB at 400 Hz. Two drivers will be -9 dB; four drivers -6 dB, eight drivers -3 dB, and 16 drivers 0 dB. This means that with 16 drivers, you will have an extra octave of low frequency response at the sensitivity of 93 dB.

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Follow Ups Full Thread

Topic - How Is Efficiency Determined In Multiple Drivers? - thetubeguy1954 12:33:06 04/04/07 (3)

There's a difference between speaker Sensitivity and Efficiency. - jeffreybehr 11:10:38 04/05/07 (0)

If efficiency is measured per watt, - sser2 13:44:08 04/04/07 (1)

Re: If efficiency is measured per watt, - Bill Fitzmaurice 14:26:43 04/04/07 (0)

Follow Ups

If efficiency is measured per watt, - sser2 13:44:08 04/04/07 (1)

Re: If efficiency is measured per watt, - Bill Fitzmaurice 14:26:43 04/04/07 (0)

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