trouble after installing t10001bd

[rebelfromva 10+ year member]

So I picked up my buddy's t10001bd to go with my dvc champions. Heard the amp plenty of times and right before I picked it up. After I installed in in my car I can't seem to get it to come on. Checked all the wires and fuses that go to my system and everything is in the right place and nothing is messed up. Weird bc my old amp was just connected and working this morning. Anyone have any ideas?

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[rebelfromva 10+ year member]

well got it to work eventually. This thing puts out some power. I can't turn it past a quarter on the gain!

 

[09civic 5,000+ posts]

what was the problem?

 

[rebelfromva 10+ year member]

where I had my remote wire wired up apparently wasn't good enough for this amp but my other smaller amp.

 

[T.I.K. 10+ year member]

well got it to work eventually. This thing puts out some power. I can't turn it past a quarter on the gain!

what do you mean you can't turn it past a quarter gain?

I always like to max my gains and my bass boost, it really gets that subwoofer purring goooood!

 

[rebelfromva 10+ year member]

Past a quarter it hits to loud to ride daily. Really loud though...........

 

[mast240 10+ year member]

you realize your gain isnt a volume control, right? thats how subs get fried

 

[Dirtrider4eva 10+ year member]

gain shouldnt ever exceed half IMO. i typically keep it at 1/3 tops..

 

[mast240 10+ year member]

depends on the HU, and what kind of pre-outs your running... but yes... in most cases, you wont go past half gain

 

[Dirtrider4eva 10+ year member]

now what do you mean depends on the HU? like the voltage from the RCAs?

 

[mast240 10+ year member]

yea.... what kind of voltage you have coming from your pre-outs...

 

[Dirtrider4eva 10+ year member]

3 4v.

 

[mast240 10+ year member]

depends on the amp too... 4v is a lil high, most HU's run at around 2.5, but a higher voltage on your pre-outs usually means a lower gain setting.... the best way to find your clipping point is with an o-scope, but you can use a dmm

 

[Dirtrider4eva 10+ year member]

how can i use my DMM?

yeah its a higher Voltage preouts i just realized when i saw my old eclipse unit has 2vs.

id be curious to see my clippping point.

 

[mast240 10+ year member]

use the amount of voltage your amp should be putting out, at a specific impendance ... i.e. 1500 x1 @ 1 ohm

divide the watts by the ohm load... then find the square root of this...

set your HU at around 3/4 the way up (all the way up can cause distortion, which makes the signal dirty)

then set your DMM to AC voltage... unplug your speakers, and plug you dmm probes in...

play a 50 hz test note... the number that you found before (wattage/ohm, then square root) is the ac voltage you'll be looking for... so, with your HU at 3/4, playing 50 hz test note, turn your gain up until you find that ac voltage... not as exact as with an o-scope... but it works

example for the math...

1500 watt amp at 1 ohm.

running one sub at 1 ohm.

so 1500 divided by 1 = 1500...

square root of 1500... 38.72 (roughly) ... so, u'll be looking for in between 38 and 39 AC volts on your DMM