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Impedance model for headphones and speakers?
Impedance model for headphones and speakers?
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Old 8th August 2012, 05:05 PM   #1
dewasiuk is offline dewasiuk  Canada
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Default Impedance model for headphones and speakers?

How would the circuit elements be configured? I know that there will be series resistance, inductance, and parallel capacitance but does anyone have a schematic they could post? I'm doing some research on how output impedance of audio players and amplifiers affects the transfer function and thus frequency response, etc.
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Old 8th August 2012, 05:48 PM   #2
DF96 is offline DF96  England
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Have you tried Google? I think you will find lots of information out there.
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Old 8th August 2012, 05:50 PM   #3
SY is offline SY  United States
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Impedance model for headphones and speakers?
Quote:
Originally Posted by dewasiuk View Post
I'm doing some research on how output impedance of audio players and amplifiers affects the transfer function and thus frequency response, etc.
You might want to do some literature searching as well- this is a topic where there's extensive modeling and data.
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Old 9th August 2012, 03:38 PM   #4
dewasiuk is offline dewasiuk  Canada
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Quote:
Originally Posted by DF96 View Post
Have you tried Google? I think you will find lots of information out there.
Google seems to only show schematics with the speaker symbol in amplification circuits. I have yet to find a schematic of it's actual elemental model.
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Old 9th August 2012, 03:42 PM   #5
CopperTop is offline CopperTop  United Kingdom
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I don't think it's all that easy to find on Google. Here's a link that I eventually found that I thought looked interesting:

Real-Life Measurements | Stereophile.com
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Old 9th August 2012, 04:25 PM   #6
DF96 is offline DF96  England
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Google 'loudspeaker equivalent circuit' gives lots of hits.
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Old 9th August 2012, 04:52 PM   #7
jcx is online now jcx  United States
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tried diyAudio forum Google search? - an option under "search" button top right toolbar?

A community dedicated to helping everyone learn the art of audio. Projects by fanatics, for fanatics! - Search Results for spice loudspeaker model

Last edited by jcx; 9th August 2012 at 04:56 PM.
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Old 12th August 2012, 08:06 PM   #8
SharpyWarpy is offline SharpyWarpy  United States
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Try this:
Making a Headphone Dummy Load
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