How does a stereo equlizer work?

CartysCrib

Member
Mar 30, 2001
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I have an oldschool equlizer that I want to hookup to my car-stereo.
Its 12 volt, but I don't understand how to hook it up. It has RCAs, and I've been told that I can use the equlizer as a cross-over, How would I do that? My deck has RCAs, that goto the amp, how would I go about hooking up the eq to the amp? Do all of the speakers need to be re-wired with the eq wires or can I just hook it up to the rcas? I'm a stereo idiot..any help is appreciated
 

Harvey

Administrator<br>Elite Member
Oct 9, 1999
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You can't use an equalizer as a crossover for a couple of reasons. First, an EQ has one input and one output per channel, while a crossover has multiple outputs on each channel, one for each band (tweeter, woofer, midrange). Second, an EQ typically has a limited range of boost or cut (for example, +/- 12 - 15 db), while a crossover has no boost, and the frequency response of the attenuation (cut) continues to fall off to infinity.

To use it as an equalizer, connect the leads from the RCA output jacks from the tuner to the inputs of the eq. Then, connect the output jacks from the EQ to the input of your amp.