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In Reply to: 6dB gain fron double power? posted by SSL Tech on November 20, 2002 at 11:52:28:
A common misconception, the subject of endless and continuing debate. When you go from one to two cabinets (or drivers for that matter)and double power input you get 6dB additional output- 3dB from doubling of power, 3dB from the increased efficiency obtained in doubling the radiating area. This is subject to frequency limits- once the radiating area is about eight or so wavelengths radiating efficiency ceases to increase and additional doubling gets only 3dB. You can easily test it yourself- put two cabs side by side,first feeding only one,then both with the same signal. Assuming your amp has constant voltage output the power will double when the impedance load is halved, and broadband output will go up 6dB. Try it. It works.
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Follow Ups
- Re: 6dB gain fron double power? - Bill Fitzmaurice 12:05:50 11/20/02 (6)
- Re: 6dB gain fron double power? - SSL Tech 12:23:23 12/18/02 (5)
- Close-here's the real dope. - Bill Fitzmaurice 16:33:26 12/18/02 (4)
- Re: Close-here's the real dope. - SSL Tech 07:52:06 12/19/02 (3)
- Re: Close-here's the real dope. - Bill Fitzmaurice 13:13:02 12/19/02 (2)
- Re: Close-here's the real dope. - SSL Tech 06:36:23 12/20/02 (1)
- efficiency relative to radiating area - Bill Fitzmaurice 18:32:00 12/20/02 (0)
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