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AMP shuts off when I turn up the volume

 

Unregistered guest
I have amp that cuts out when I turn up the volume. I have since discovered that I have 4 Ohms speakers and an amp that is rated at 8 ohms. Is there a solution? Can I add another set of speakers in Series and make this work?
 

Silver Member
Username: Danman

QUEBEC CANADA

Post Number: 161
Registered: Apr-04
You need 8 ohm speakers...........
 

Lester
Unregistered guest
Adding a 4ohm speaker in series will give you the desired 8ohm impedence. The speakers should be the same for best resulfs.

 

Gold Member
Username: Jan_b_vigne

Dallas, TX

Post Number: 4166
Registered: May-04


I have to disagree with Lester regarding the desirability of adding another pair of speakers in series with the present pair. If all loudspeakers were merely one impedance load and constant across all frequencies, Lester's advice would be a good alternative. However, no speaker I know of is simply a constant resistive impedance load and the actual electrical impedance load the amplifier sees can vary over a rather wide range as you can see in this link:

http://stereophile.com/loudspeakerreviews/1204psb/index4.html

Placing this speaker in series with an unknown quantity could result in an impedance swing that is even less desirable as far as the amplifier is concerned. Even adding the same speaker in series would result in an impedance that at some point around 1kHz reaches 36 Ohms. Most budget and mid priced receivers will not care for that impedance any more than they do the lower 4 Ohm impedance.

I would suggest you take the most sensible route and simply replace either the amplifier or the speakers you presently own.




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