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Will a 1000 watt RMS amp blow two 350 watt RMS subwoofers if the power on the amp is turned down?
Wiki User
∙ 14y ago
Yes! Turning down the amp will lower the gain, but will not output less watts. Plus you must understand the ohms. If your amp does 1000w at 16ohms, then it'll do close to 500w at 8ohms. OR, 500w at 8ohms will be about 250w at 4ohms and so fourth. It will depend on the impedance (ohms) of the speaker and IF the amp can handle different loads (ohms).
Also, if your speakers are, say, 8 ohms and you bridge them to one amp in mono, the ohms drops to 4.
The best bet would be to match the ohms, and over power the speakers by 100 watts but no more then 200 watts RMS. Example: woofer that does 350w RMS (1000w Peak) at 4ohms, add amp that does 400w to 500w at 4ohms. And remember, if you add a woofer on the same channel (mono), the impedance drops to 2ohms. This makes your amp stronger, and will now push more watts to your speakers. Make sure they can take it. have fun.................
Edit: If your car can do 200, your not going that all the time. I used a 200Rms amp to drive a 8w speaker for 3 months while waiting for repairs and they are still going strong. listen to your speakers and play a bass heavy song, listen for a Rubbing sound or a "clank/clunk" sound, that is the pole piece hitting the back of the speaker, this is worse than distortion as is is causing physical damage to the cone and VC (voice coil), Distortion is when the sound being played is not the same tonal response IE. if you have a full range speaker, one capable of playing low, mid and highs will have distortion in the high when it also has to play low.
In the end, turn your gains as such: if your combo is 1000w amp and 250w sub it is 1/4 power so you wouldn't want to turn them over a quarter their range and listen to to the speaker if it sounds stressed out, back off, and get a crossover, parts express has them.
Wiki User
∙ 14y ago
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