Better car audio, Tip #7: Set your amp gains properly
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Welcome to this article from the Crutchfield archives. Have fun reading it, but be aware that the information may be outdated and links may be broken. 
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.
Learn more about setting up your new amp.
This post is excerpted from a recent article in our Learning Center, Jeff's Tips for Getting Maximum Sound Quality in Your Car.
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by Crutchfield's
Meet Jim Richardson
Why do we write? So you can find gear that makes you jump and shout.
I edit the home A/V and pro audio articles on Crutchfield.com. It's a cool gig for a guy who's been seriously into audio since way before 1974.
I started buying records, guitars, and gear with the money I made mowing lawns and delivering newspapers. Now the way I earn my money has changed for the better, but where it goes hasn't changed too much.
I was employee #007 when I started at Crutchfield back in 1976. Seriously, I was the seventh person Bill Crutchfield hired. Back then we all did a bit of everything. I spent time answering customer calls, packing boxes for shipment, purchasing merchandise, and writing catalog pages.
I left Crutchfield in 1983 to finish college. Then I worked as a newspaper reporter and editor before returning to Crutchfield in 1993.
I returned just in time to participate in the launch of Crutchfield.com, the first big ecommerce site in consumer electronics. Having a hand in that process was a thrill and an honor. And just look at how much we've grown since then. It blows old 007's mind.
About Jim
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