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Preamp output questions. I think I have my amp set up wrong.


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Posted

I just found this out that my deck is a 2v pre output and my amplifier gain output volt is set at 8v. Because it gives me the most bang.

Am I wrong but this is bad due to high distortion?

Can I atleast set it at 4v because if set at 2v it bairly puts out.

If I upgraded my deck to a 4v or 5v pre output would my system be louder with less distortion , setting my amp to 4v or 8v?

Im pretty confused on this because my amp is set at 8v right now.Being that it is the loudest.

What should I be doing?

Thanks

Amplifier: dpx11551

Deck: CDXGT240

Posted

my indash is the same way, so i just ran a linedriver to boost its volt rms without distorting. a normal HU would give it better sound but an eq/linedriver would be a cheaper alternative

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Posted

8v gain is all the way up on your amp, correct? If so, you are clipping the shit out of your speakers in the first place, and would be one reason it sounds so distorted....

12" DC LVL 4

Sundown 1200D

PG RSDs

PPI PC2100

Alpine 9886

Posted

8v gain is all the way up on your amp, correct? If so, you are clipping the shit out of your speakers in the first place, and would be one reason it sounds so distorted....

yes 8v is all the way up. Could this be why the infinitys I took back were making a smokey smell? hahaha. I phucked up ... I think it should be well told through these forums. I bet alot of people mistake this :( I never knew about it.. but then again I might be mental

You think 4v on my amp would be ok? 2v bairly puts out any bass.

Posted

yes 8v is all the way up. Could this be why the infinitys I took back were making a smokey smell? hahaha. I phucked up ... I think it should be well told through these forums. I bet alot of people mistake this :( I never knew about it.. but then again I might be mental

we're all a little mental.

God damn its hot today. My balls are stuck to my leg.

Posted

from what i remember the lower the number on the gain knob (like .2v) is louder than a higher number (like 8v)

its probably quiet at 2v for you because theres something wrong with the settings on your headunit, such as the subwoofer level being down.

my headunit has 2v preouts and my gain is at like 3v because i dont want to output all the power to my speaker since it wouldnt be able to handle it but thats another story.

Posted

yes 8v is all the way up. Could this be why the infinitys I took back were making a smokey smell? hahaha. I phucked up ... I think it should be well told through these forums. I bet alot of people mistake this :( I never knew about it.. but then again I might be mental

You think 4v on my amp would be ok? 2v bairly puts out any bass.

Yes, that could definitely be the reason why they were smokey smelling. Turn that down ASAP.

12" DC LVL 4

Sundown 1200D

PG RSDs

PPI PC2100

Alpine 9886

Posted

from what i remember the lower the number on the gain knob (like .2v) is louder than a higher number (like 8v)

its probably quiet at 2v for you because theres something wrong with the settings on your headunit, such as the subwoofer level being down.

my headunit has 2v preouts and my gain is at like 3v because i dont want to output all the power to my speaker since it wouldnt be able to handle it but thats another story.

Hmm thats weird because all the expensive decks put out 4v - 8v. And my 8v set on the amp is loud as hell. Maybe theres bairly any bass at 2v because I have to turn my gain up to compensate from the 8v it was on.. because I have it on 8v with a low gain, 2v with a higher gain would prob compensate.. IDK

The reason I never knew this is because 90% of the damn gain tuning guides dont say anything about the gain volts! They need to update this before people blow there subs like I did. My system sounds clean because my gain is only 1/4th on due to break in on my new cvr subs even on 8v with the 2v deck

I will be clicking that button down to 2v and re-tune it asap. As soon as the doctor office way across the street closes haha. Doc came over yesterday and complained about me shaking everything in his office's and customers . I was nice about it and said it will never happen again.

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