amps speakers ohms and explosions? (1 Viewer)

JohnnyRaz

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question; is it important not to put a lower impedance speaker than a amp is rated for, but ok to put a higher impedance speaker on?
say 8ohm output with 4 ohm speaker bad, 4ohm output with 8ohm speaker ok?

bought a new stereo and speakers are a it crappy in the low end - want to stick the better old un if possible. new ones = 4ohms, old ones =6ohms.
 

moose

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Does it say anything on your stereo about ohms? Most stereos will deal with between 4 and 16 ohm in my limited experience. Also if it's solid state it won't matter that much between 4 and 6 ohms. If your amp heats up a lot when you try it it's bad but it should be ok.
 

JohnnyRaz

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yeah, already tried with the two crappy speakers and the better speaker as a kinda bass bin, no obvious signs of disaster - just wanted to be sure!
 

Seanser

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Right so quick guide:
the Amp output should be lower ohms than the speakers.
4ohm output into 8 ohm speakers is safe.
8 ohm output into 4 ohm speakers can make for fuses popping,excessive heat or worse Power amp failure.
 

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