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Re: Electrical filters and Acoustic Filters [message #21301 is a reply to message #21299]

Mon, 19 September 2005 16:38

roncla
Messages: 125
Registered: May 2009

Master

Series resistance does not change the driver's Qes, it has no impact on the drivers T/S parameters at all. At the speaker input terminals, the driver's impedance is unchanged. What the series resistance does is form a voltage divider so that the amount of signal applied by the amp to the speaker terminals is shaped. Bass output is not increased. Midrange and treble are attenuated.

Totally agree. I had assumed (we know what that means) that it would affect the Qes, but in reality it dosent. I still like as little in the signal path as possible, but still am running a zoble and 2 ohms series R on my old horns. I believe you have to tune the amp/speaker to personal taste/room conditions though.
ron

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[Message index]

		Electrical filters and Acoustic Filters By: Wayne Parham on Mon, 19 September 2005 08:04
		Re: Electrical filters and Acoustic Filters By: Martin on Mon, 19 September 2005 10:38
		Re: Electrical filters and Acoustic Filters By: Wayne Parham on Mon, 19 September 2005 12:33
		Re: Electrical filters and Acoustic Filters By: Martin on Mon, 19 September 2005 17:32
		Re: Electrical filters and Acoustic Filters By: Wayne Parham on Tue, 20 September 2005 07:12
		Re: Electrical filters and Acoustic Filters By: roncla on Mon, 19 September 2005 16:38
		Re: Electrical filters and Acoustic Filters By: roncla on Mon, 19 September 2005 17:12
		Re: Electrical filters and Acoustic Filters By: Wayne Parham on Tue, 20 September 2005 07:17
		Re: Electrical filters and Acoustic Filters By: Martin on Mon, 19 September 2005 17:34
		Re: Electrical filters and Acoustic Filters By: akhilesh on Tue, 20 September 2005 14:35
		Re: Electrical filters and Acoustic Filters By: akhilesh on Mon, 19 September 2005 21:57
		Re: Electrical filters and Acoustic Filters By: akhilesh on Tue, 20 September 2005 14:34
		Pipes, tapered pipes and Helmholtz resonators By: Wayne Parham on Thu, 22 September 2005 12:55
		Re: Pipes, tapered pipes and Helmholtz resonators By: GM on Thu, 22 September 2005 17:42
		Re: Pipes, tapered pipes and Helmholtz resonators By: akhilesh on Thu, 22 September 2005 21:30

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