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WUT THA ! wuts wrong???

 

Bronze Member
Username: Ishkabobble55

Post Number: 58
Registered: Jul-05
ok, i have my SE in a .6 cu ft box and i wanted to test it on my friends amp its an mtx 6001 and the gain was about half up and the bass boost was 1/4 up(didnt look at other adjustments) it was bridged to two ohms and im pretty sure it either 400-600 watts rms,the deck's bass was at+6 and fader all the way to the rear, but when we turned it up to the volume he listens to around 30 on a panasonic deck my SE was bottoming out like crazy i didnt know why. please someone explaine this to me and if i need to i will give more info. please help!!!???...
 

Bronze Member
Username: Baseballsc

Post Number: 17
Registered: Aug-05
well not sure but I have that amp and it puts out about 650W at 2ohms
 

Bronze Member
Username: Ishkabobble55

Post Number: 59
Registered: Jul-05
is that rms or what if so i can almost understand why it was doing that since some of the bass factors were turned up.
 

Silver Member
Username: Rovin

Trinidad & T...

Post Number: 468
Registered: Jul-05
What about the voltage output of his deck ,maybe its higher than yours ? & also check the loud button if its on .
 

Bronze Member
Username: Baseballsc

Post Number: 20
Registered: Aug-05
sorry. the MTX MXA6001 is rated at 600wx1 RMS at 2ohms. my birth sheet said 655... but, who knows if they are random numbers or not...
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10044
Registered: Dec-03
waht size is this SE?
.6 is a very small box.. I'm thinking maybe too small, and it's getting too peaky and bottoming out.
did you consider trying a ported enclosure, or a larger sealed box?
you shouldn't need the bass boost or bass settings set anywhere but flat.

 

Bronze Member
Username: Ishkabobble55

Post Number: 60
Registered: Jul-05
Its a 10 re said use a .6 cu ft box
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10061
Registered: Dec-03
ah its a ten.. sealed I take it.
did you build that box to be .6 after figuring the driver's displacement? or is it just a straight .6 based on interior dimensions?
 

Bronze Member
Username: Ishkabobble55

Post Number: 61
Registered: Jul-05
Its based on theinterior dims
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10064
Registered: Dec-03
that's your problem.
the box is too small.
you need to rebuild the box so there's .6cu ft of actual AIR space, after figuring the amount of air the sub displaces (provided in the TS specs) and figuring for thickness of box materials, etc.
otherwise you end up with a box with about .2cu ft of air.
 

Bronze Member
Username: Ishkabobble55

Post Number: 62
Registered: Jul-05
Thanks alot man i owe u
 

Bronze Member
Username: Ishkabobble55

Post Number: 64
Registered: Jul-05
i have another question, if my hu has a 5v. pre out what should the gain on my amp be set to?
 

Anonymous
 
LORD that is a teeeny box
 

Gold Member
Username: Jmloughrey

Farmington, CT

Post Number: 1372
Registered: Jul-04
how did that sub manage to even fit in the box in the first place...is the magnet against the back wall?
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10089
Registered: Dec-03
gain should be set to 5 volts :-)
if the amp is only able to handle a 4V input, set gain to minimum.
you should be ok unless you max out the volume.
 

Bronze Member
Username: Ishkabobble55

Post Number: 65
Registered: Jul-05
no its not against the back wall but it is in close quarters!! the box measures approx. 13.5" w - 14.5" t - 8" deep- there is an amp rack around the box and i forgot my original measurements so thats all i could get.
 

Bronze Member
Username: Ishkabobble55

Post Number: 74
Registered: Jul-05
hey i thought i read in another thread that there was something you could spray inside the sub box to make the sub think the box is bigger or something?.? maybe im mistaken.
 

Gold Member
Username: Invain

Michigan United States

Post Number: 3636
Registered: Aug-04
Last time I checked people didn't spray poly fill, haha. But that's probably what your thinking of. It's basically pillow-stuffing. Buy it at walmart and stuff some in your box. It helps with resonance.
 

Bronze Member
Username: Ishkabobble55

Post Number: 75
Registered: Jul-05
lol, oh ok i'll have to check it out.
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10153
Registered: Dec-03
polyfill or dacron.. 1 pound per cubic foot of air space, but it only adds the impression of an extra 10% volume.
not nearly enough to save building a larger box
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