Better car audio, Tip #7: Set your amp gains properly
Jim Richardson is the managing editor for home audio/video and pro audio learning content on Crutchfield.com.
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Most people think the gain control on their new amplifier is a volume control. But it actually adjusts the amount of input signal coming into the amplifier. Crank it up too high, and you'll hear some nasty distortion. Here's the general idea when setting gain:
- Start playing some music
- Turn your car stereo volume control up to roughly 3/4
- Turn up your amp gain until you hear distortion, then back it off a little
Every amp manufacturer will have specific suggestions, so you'll want to check out your manual for the best way to set the gain on your new amplifier.
This post is excerpted from a recent article in our Learning Center, Jeff's Tips for Getting Maximum Sound Quality in Your Car.