[rescue] Workers of the World, Unite!

[Big Endian]

>On Mon, Jul 22, 2002 at 11:48:48AM -0500, Scott Newell wrote:
>
>>  >ohms.  My recall is that 10ohm speakers on a 4 ohm amp puts to much
>>  >load on the amp, and that if you aren't going to match the amp to the
>>
>>  Other way.
>
>Hmm, I'll have to double check what I did to my sister's stereo then.
>I have a bad feeling I might have put 4 ohm speakers on a 6 ohm amp.
>

Thats bad.  More ohms means it draws less power.  Impedance 
mismatches are bad in signal evironments because a fraction of the 
signal will bounce back off the mismatch.  I forget the exact math on 
this one.  Dave?

>  > >speaker, then at least the speaker should be a lower ohm-age. And it
>>  >should be easy enough to add a circuit to adjust for the different
>>  >speakers.   A 6.6667ohm resistor network in parallel with the speaker
>>  >would bring your resistance down to the desired amount.
>>
>>  Please don't--you'd just be creating more heat.  Ohm's law?
>
>V=iR?  There isn't exactly any heat in that.  There is W=VA, which
>relates to heat...  Is that also part of ohm's law?

No... but its part of the same basics of electronics.

>But, if higher ohms on speakers is fine, then adding those resisters
>would definately be pointless.

more to the point it would be dangerous.  You'd be overloading your 
amp and overheating resistors.

daniel
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