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Precision Power PPI E.DZ Advice Please

Old 12-24-2012, 01:09 PM
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Precision Power PPI E.DZ Advice Please

Hello all,
I need help finding a solid yet affordable eq / crossover. I currently have an AudioControl Three.2 but can't afford another one right now. So I am looking at a new PPI E.DZ which has all of the features I want (Eq, crossover, line driver, etc.).

The problem is that it seems to only have a frequency response of 10-15,000 Hz
Since we hear up to 20,000 Hz, I am worried the unit's cut off at 15,000 Hz will lead to a loss of fidelity.

Does anyone have any opinions on this? Or other thoughts on this unit? I have all top end stuff in the car, Alpine Type S Separates, US Amps amplifiers, JL subs. I don't want this to be the weak link.
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Old 12-24-2012, 09:14 PM
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Any suggestions would be awesome.
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Old 12-27-2012, 07:15 PM
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You specifically want an in-dash pre-amp?

10-15k +/-1db isn't that bad really. We don't hear that well up that high and it depends how bad it drops off above 15k. if it's only -3db or something at 20k then that's not really a big deal. My biggest problem with the PPI is the specified 50k-ohm output impedance. That could make for noise issues with some amps. The 150ohm output of the AC is much friendlier.

Personally I would look at an outboard EQ. For the same money you usually get more channels of equalization which is always good.
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Old 12-27-2012, 11:30 PM
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Originally Posted by Dukk View Post
You specifically want an in-dash pre-amp?

10-15k +/-1db isn't that bad really. We don't hear that well up that high and it depends how bad it drops off above 15k. if it's only -3db or something at 20k then that's not really a big deal. My biggest problem with the PPI is the specified 50k-ohm output impedance. That could make for noise issues with some amps. The 150ohm output of the AC is much friendlier.

Personally I would look at an outboard EQ. For the same money you usually get more channels of equalization which is always good.
I really appreciate the response. I like dash mount because I like being able to adjust to different styles of music. I also like using an eq to control the sub level. I really wish I could afford an audio control three.2 but I can't. I am looking at the PPI E.DZ and Clarion EQ7644. A lot of people seem to be using the Clarion unit. I have pretty good equipment and don't want to have my eq as the weak link. Do you have any other suggestions to consider for a dash mount eq?
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Old 12-28-2012, 11:02 AM
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I have tried a few and would personally choose this over the clarion Hifonics HFEQ 4-Band Equalizer with 9-Volt Line-Driver and sounds better, and cleans up your sound nicely, filters/crossover can be bypassed if needed, also, the eq points are nice.
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Old 12-28-2012, 05:07 PM
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Thanks a second time sonic!
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Old 12-28-2012, 06:35 PM
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I actually have a Clarion preamp style EQ - either the EQS746 or a similar older variant. It's a decent piece and the more bands the better IMO.

Clarion Canada | EQS746
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