Ford Mustang Forum - View Single Post - Disadvantages to powering 60w RMS speakers with 50w RMS (per channel) amp
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post #2 of (permalink) Old 04-19-2013
mtu245
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Hey,

The only disadvantage is over working the amplifier. Your speakers will somewhat ask for 60 watts rms when you turn up the volume. However, your amp can only provide 50 watts rms. So if you have the volume turned up more than often you may be making your amplifier work too hard and might burn it out eventually. Also when an amp is being pushed to its limits it can sometimes distort or send ''dirty'' power to your speakers.

Good rule of thumb is to have 20-25% more power on the amp so it never has to work maxed out. So if your amp put out 70-80 watts rms it would match a bit better. Having said all this most people run speakers off an aftermet deck, and those have like 14-20 watts rms to each speaker. So you should be ok. Just don't turn the gain knob or boost too high on the amp. And keep an eye on how hot to the touch it gets after using it.

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