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Re: Some basic questions about Pi web site and speakers: [message #49850 is a reply to message #49849]

Fri, 11 August 2006 11:21

Bill Wassilak
Messages: 402
Registered: May 2009

Illuminati (1st Degree)

Let's see if I can explain this right. Lets say you have a long excursion 15" woofer operating in a range of 50 to 1Khz with flat response. Then you drop the frequency down to say 25hz well the IMD will go up in the frequency range of 500-1Khz because the lower frequency will start modulating the upper octaves of that operating range. Hence higher intermodulation distortion from 500-1k.

Simple explanation, it's like when you yell into a fan it modulates your voice.
Bill W.

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[Message index]

		Some basic questions about Pi web site and speakers: By: Greggo on Thu, 10 August 2006 16:41
		Re: Some basic questions about Pi web site and speakers: By: Wayne Parham on Thu, 10 August 2006 22:40
		Re: Some basic questions about Pi web site and speakers: By: Leland Crooks on Fri, 11 August 2006 05:27
		Re: Some basic questions about Pi web site and speakers: By: Bill Wassilak on Fri, 11 August 2006 11:21
		Re: Some basic questions about Pi web site and speakers: By: Leland Crooks on Fri, 11 August 2006 12:41
		Intermodulation, phase and Doppler distortion By: Wayne Parham on Fri, 11 August 2006 16:59
		Re: Intermodulation, phase and Doppler distortion, and then some By: Bill Wassilak on Sat, 12 August 2006 01:02
		Re: Intermodulation, phase and Doppler distortion, and then some By: Wayne Parham on Sat, 12 August 2006 16:01
		Crosspost (from diyaudio.com) you may find interesting... By: Greggo on Sun, 13 August 2006 11:59

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