Setting Gains

[mopse7171 10+ year member]

well on my amp i have gain, sub sonic, LPF and bass boost. I know how to set the gain and not use the bass boost but what would be a good starting point for the sub sonic and LPF??

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[60ndown 10+ year member]

what box you got?

 

[mopse7171 10+ year member]

ported 2.5 ft2 and tuned to 33hz

 

[Trey803 5,000+ posts]

lp on 80 subsonic on 33

 

[60ndown 10+ year member]

lp on 80 subsonic on 33

^ what he said

 

[mopse7171 10+ year member]

sub sonic only goes up to 20 hz

 

[60ndown 10+ year member]

sub sonic only goes up to 20 hz

what amp?

 

[mopse7171 10+ year member]

a alphasonik PMA1000DA

 

[60ndown 10+ year member]

Variable Subsonic Filter: 15Hz - 40Hz @ 24dB/Octave

http://www.onlinecarstereo.com/CarAudio/ProductDetail.aspx?ProductID=14162

 

[Trey803 5,000+ posts]

20 is most likely the low end of the spectrum of the subsonic

 

[mopse7171 10+ year member]

well the knob syas it only goes up to 20 hz. does the phase knob have anything to do with that?

 

[Trey803 5,000+ posts]

phase is polarity so no

 

[mopse7171 10+ year member]

Variable Subsonic Filter: 15Hz - 40Hz @ 24dB/Octave

http://www.onlinecarstereo.com/CarAudio/ProductDetail.aspx?ProductID=14162

kinda new to this so dont really have a clue on what the means lol

 

[mopse7171 10+ year member]

http://www.sonicelectronix.com/pictures.php?id=2802

exactly what i am lookin at right now

 

[Trey803 5,000+ posts]

put the sub sonic on 20...and be careful when setting gains make sure its not bottoming out