Re: Speaking of audiophools



On Tue, 27 Jun 2006 15:15:57 GMT, szekeres@xxxxxxxx (GregS) wrote:

In article <sai2a2hlktqtmmhpfe9nssc8b26prdis6q@xxxxxxx>, Jim Thompson <To-Email-Use-The-Envelope-Icon@xxxxxxxxxxxxxxx> wrote:
On Tue, 27 Jun 2006 08:05:09 -0700, John Larkin
<jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

On Tue, 27 Jun 2006 10:54:29 -0400, "mc"
<look@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:


I was also wondering... How can a super-low damping factor be that important
when there is appreciable resistance between one point in the voice coil and
another point in the voice coil? The speaker is not a magic machine for
converting volts into sound. It is a resistive load, mostly.


Right. Resistance anywhere in the circuit has the same effect.

John

Yep. Except it's not simply a "resistive load", it has a back EMF.

...Jim Thompson

A simple little test. Tap on the woofer with various load
resistors. I have done this in a way, but not thoroughly

greg

For the audiophools with their assinine view of loudspeakers...

http://analog-innovations.com/SED/LoudspeakerModel.pdf

This model is courtesy of "analog", 2002.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
.



Relevant Pages

  • Re: Whats my amp putting out ???
    ... >>> I would think it'd be more likely that his voice coil is 1.5 ohms. ... Speakers are always measured in Impedance never resistance. ...
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  • Re: Speaking of audiophools
    ... another point in the voice coil? ... Resistance anywhere in the circuit has the same effect. ... Except it's not simply a "resistive load", ... You need to include not only a crossover circuit, ...
    (sci.electronics.design)
  • Re: Whats my amp putting out ???
    ... >> I would think it'd be more likely that his voice coil is 1.5 ohms. ... Speakers are always measured in Impedance never resistance. ...
    (rec.audio.car)
  • Re: Monster Cables
    ... voice coil, is that the voltage induced by the coil ... moving through the magnetic field equals the output ... resistance in the loop is about zero, ... speaker to the ear is usually such that the speaker response is only ...
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  • Re: Speaking of audiophools
    ... much as 100 ohms. ... resonance frequencyand especially the Q at the resonance, ... If an amp has a "damping factor" of 400, it means its interiour resistance ... This means that the resistance of the voice coil ...
    (sci.electronics.design)

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