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Tuning Amp

isucyclones3

isucyclones3

New member
First off i have 2
Rockford Fosgate Punch HX2 RFD2212 12" Dual Voice Coil Subwoofer at Crutchfield.com

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Kenwood KAC-9103D Mono subwoofer amplifier 900 watts RMS x 1 at 2 ohms at Crutchfield.com

I have them in a sealed box wired for 2 ohms. I read on the internet to turn gain and bass boost down, then turn volume control on stereo all the way up until it distorts. After doing so go back to your amp and turn the gain up until your subs distort. I did that but they never distorted and i had the gain all the way up. Is it ok if the gain is all the way up?
 


I never have heard it before but I listened closely but didnt hear anything. I have it turned down now because i was unsure. I will try again in the next couple days and listen again. Is there a way your can describe it to me?
 
yeah, but thats not the speaker, thats the mic.

And bass i love you has a peak at 7 Hz... thats just stupid to run on a sub in a ported box without a highpass on it.
 


crack open the owners manual and it'll explain it.

If its not there, then you don't have one.

It just prevents you from blowing up your sub by putting a thousand watts on a sub at a frequency where its mechanical power handling would be 50 watts.
 
Well i bought the amp at an auction used so i dont have a manual but i know i have one because of what crutchfield says and i have seen the setting on my amp. It has a switch with 3 settings, 0, 15 or 25 hz
 


oh true. Set it just below the resonant frequency of your port if its in a ported box and it'll keep your woofer safe.

Edit: Wait you're sealed, just leave it at 0
 
start with all settings on the amp at zero. turn volume up to the loudest that you will be playing it. pick your frequency range on the amp and slowly turn up the gain first. the turn up the bass boost for a little more kick. do this until u hear distortion then turn it back down intil all distortion is gone. it takes alot of practice and a good ear
 


your crossover isn't supposed to be guesswork. you should have a range where you predict would work well then experiment in that range.
 
CTKGP09 said:
start with all settings on the amp at zero. turn volume up to the loudest that you will be playing it. pick your frequency range on the amp and slowly turn up the gain first. the turn up the bass boost for a little more kick. do this until u hear distortion then turn it back down intil all distortion is gone. it takes alot of practice and a good ear
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i have been told the same thing. actually did it on my system and it works swell. if you ahve the boost up on the amp i would leave the gains lower tho. untill you get a better feel of what sound you like and the sub actually broke in. numerous people have told me to leave the boost alone, it all comes down to preference
 
Bass boost = STUPID.

Unless you like one note to be louder than all the rest.

But then you only have fun with certain songs.

How about building to enjoy ALL the notes which means ALL the bassy songs instead of just finding "that one song that bumps so sick".
 
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