I have a pioneer 1000W mono block class d amp. The recommended minimum impedance is 2 ohms, but i am buying a dual 2 ohm sub and want to bridge it into 1 ohm. Will the amp be stable at 1 ohm? If i put heat sinks on it will it keep it cool enough? And last, is runninga sub at 1 ohm much louder than 2 ohms or should I just run it at 2 ohms?
If it is recommended to only run the amp to a 2 ohm load, why try going lower? Seems like a pretty self explanatory situation. Sure you could run it at 1 ohm or .5 ohm if you felt like it, but is it a good idea, no.
Most amps already come with heat sinks and adding more heat sinks would be unecessary, maybe you meant adding fans?
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It is never a good idea to operate any equipment beyond its rated specs. If the amplifier is stable no lower than 2-ohms, then I recommend you do not try to operate it into a 1-ohm load. Unfortunately since you have a DVC 2-ohm sub, this means you must wire it for 4-ohms to be safe with this amplifier. If you want to max out the amplifier at 2-ohms, you either need a different woofer (4-ohm DVC) or two of the ones you have.
All else being equal, the output difference between operating your amp at 2-ohms VS 4-ohms is 3db. 3db is about 1/3 louder.
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