Settings on amp

[Varinabassing 10+ year member]

Ok i see the lowpass what should i set this too ? the box is tuned for 35 and the filter goes down to 32. Then there is a knob on the bass remote should that be set to like 32 too or higher not sure about that. And the infrared filter i think is what its called says it takes the low low notes out but i want them just dont wanna over do the sub or amp I have my gain set to 3/4 is this ok ?? Oh almost forgot its a rockford t2000bd. the sub is a btl 15 Fully loaded .. Help Please Thanks //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

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[99grandprixGT 5,000+ posts]

set the gain with a DMM. whats your HU pre out voltage?

 

[thegreatestpenn 5,000+ posts]

set lpf to 80 hz, set subsonic filter as low as it can go (probably 15hz)

 

[Varinabassing 10+ year member]

I believe may prevolt out is like 4 volts

 

[Rich B 5,000+ posts]

set lpf to 80 hz, set subsonic filter as low as it can go (probably 15hz)

No, if his box tuning is 35hz the subsonic filter needs to be at or just below

35hz.

Subsonic filters prevent over-excursion in ported boxes by eliminating frequencies below box tuning.

 

[Varinabassing 10+ year member]

All i see on the amp is a crossover and infrasonic and the infrasonic is has only on and off the crossover goes down to 32

 

[Varinabassing 10+ year member]

^^^^^^^^^^^^^^^^^^^^^^^^^^^

 

[Varinabassing 10+ year member]

^^^^^^^^^^>>>>>>>>^^^^^^^^>>>>>>>>>^^^^^^^^^

 

[Varinabassing 10+ year member]

Please Anyone know much about these settings

 

[Rich B 5,000+ posts]

All i see on the amp is a crossover and infrasonic and the infrasonic is has only on and off the crossover goes down to 32

Infrasonic is another name for subsonic filter.

If theres no adjustment on the amp its pre-set at a frequency the amp maker chose.

Probably at 20-25hz, but you would have to look in your manual to find out what it is.

 

[Varinabassing 10+ year member]

i just looked through the book and it says engaged at 28htz so i guessing nothin below that is going to be played if i have it on.. So turn the cross over to 32?? wat about the knob crossover is that the same as the other one and should be at 32 too

 

[Rich B 5,000+ posts]

i just looked through the book and it says engaged at 28htz so i guessing nothin below that is going to be played if i have it on.. So turn the cross over to 32?? wat about the knob crossover is that the same as the other one and should be at 32 too

With a ported box tuned to 35hz you should leave the infrasonic filter in the on position, its there to keep notes too low for your sub to play from damaging it.

The crossover should be set to blend the sub with your front speakers, usually 60-80hz with 6.5" speakers up front, or 80-100hz with 5.25" speakers up front.

The correct crossover point is whatever sounds like the best blend with you front speakers to you.

 

[Varinabassing 10+ year member]

ok thanks rich b