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Old 16th February 2008, 02:16 AM   #1
Flyin11 is offline Flyin11  United States
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Default Old School Clarion 73EQ

Hey guys...A guy from my work who knows a lot about car audio as well, suggested (I think some of you around here did as well) maybe I should try and use a EQ to try and boost the frequencies I want to hear and down the ones I don't and maybe that will help clear up my sound and get it through to the cabin better. Well, I have a old school 7 band EQ from Clarion, model: 73EQ, and I was wondering what sliders on it are for bass and treble frequencies. I don't really have any clue and never did back in the day when I used it either...I just kind of moved them up and down. Anyways...Was just wondering...Here are the 7 frequency bands from top, left to right:

30hz, 120hz, 200hz, 400hz, 1khz, 3khz, 14khz

Freq: 120, 80, 50

Subwoofer and fader controls

I'm guessing the khz bands are for the treble and the hz are for the bass?
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Old 16th February 2008, 05:22 AM   #2
MartyM is offline MartyM  United States
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Well, actually an equalizer provides center frequencies for the audio adjustments you'll make, centered at those frequencies. A fancier EQ or DSP will have more center frequencies (allows more controls), and hence...more audio tailoring capabilities.

But 7 bands is a good start for a simple system/first time learning experience.

The "Hz" notation is just the frequency quantity, where Hz = Hertz = cycles per second. "KHz" = kiloHertz = units of 1,000 Hz.

For example, a pure 80Hz sound wave occurs 80 times per second, 10KHz is 10,000 Hz (treble, higher frequency sound).

Midrange is kind of say 200Hz - 6, 7, or 8kHz.

The 120, 80, etc...sound like a selectable subwoofer crossover adjustment.

Really, an old EQ like that was OK but not fantastic. I think I once had that model, when starting out.

If you want "high-end" sound, you need to step up to a better brand (more $) like AudioControl or etc. But if your tastes are mid-level (or just want to learn more) give it a shot.

PS: You need to be prepared to deal with ground loop noise ("alternator whine") in your installation! That was always a problem with installing an EQ in the average system.

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