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amp gains set to zero and still have distortion....


SJonus

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Posted

heres what iv done and what i have....i have a factory ford head unit with a schosche slc-4(havent had problems that i know of in the years iv used it).thats running two set of rca's to the back..i adjusted the volts on the loc to have 2.5 volts(its max was 5+)..

i have a 4 channel amp and 2 mono amps daisy chained off of the 4 channel..the 2 mono amps are rated at 600 rms..so i needed to set gains on them to around 34 volts..

Well, when i turn my volume up and have my multimeter ready the reading is at 45 volts with bass knob up..13 volts when off..and the amp gains are at zero...question is..should i not touch the gains and leave a zero and just use the bass knob to turn it up?..or do i have somthing screwy goin on?

thx 4 any help

2004 F-150 Lariat

2 PGold 800 rms amps to subs

1 Hifonics 640.4 brutus to m/h

4 a2-65 6" percisionpower-mids

4 PT.2 tweets percisionpower-hi's

2 12" PA mofo's/box by "dave the box guy"

big 4 0/1 g front to back / 2 optima yellow tops

nutin special....

Posted

What are you using as a bass knob?

That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.

Posted

the bass knob came off of another amp..not sure what brand..when i move the knob the volts go from 13 to 45 half way up..mayb knob??...ya and the schosche..can u recommend a LOC thats good .sorta cheap?

2004 F-150 Lariat

2 PGold 800 rms amps to subs

1 Hifonics 640.4 brutus to m/h

4 a2-65 6" percisionpower-mids

4 PT.2 tweets percisionpower-hi's

2 12" PA mofo's/box by "dave the box guy"

big 4 0/1 g front to back / 2 optima yellow tops

nutin special....

Posted

Well if your bass knob came off another amp then that can be part of your problem also.. Get a pac lc-1. And cheap and good don't really go together but the audiocontrol is a good one, I have the audiocontrol lc6-i

Posted

So there knob is most likely a bass boost control then.

Ditch it and get a pac-lc1.

That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.

Posted

what about the LOC's that have a bass knob..are they worth a crap?..or should i find my original knob and use the amps gain?

2004 F-150 Lariat

2 PGold 800 rms amps to subs

1 Hifonics 640.4 brutus to m/h

4 a2-65 6" percisionpower-mids

4 PT.2 tweets percisionpower-hi's

2 12" PA mofo's/box by "dave the box guy"

big 4 0/1 g front to back / 2 optima yellow tops

nutin special....

Posted

what about the LOC's that have a bass knob..are they worth a crap?..or should i find my original knob and use the amps gain?

2004 F-150 Lariat

2 PGold 800 rms amps to subs

1 Hifonics 640.4 brutus to m/h

4 a2-65 6" percisionpower-mids

4 PT.2 tweets percisionpower-hi's

2 12" PA mofo's/box by "dave the box guy"

big 4 0/1 g front to back / 2 optima yellow tops

nutin special....

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