MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
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Alrite,
i've currently got a pioneer 305C 12" sub, runnin off a Rockford 300x 4ch amp. Now, when i first installed it etc it ran perfect, dropped low, sounded nice, even on low gain.
But now however, its very different. I've not altered the set up in any way, or changed anything, but the sub is now alot quiter and crappy sounding. Erm its hard to describe, but kind of more 'muted', and not as nice a sound!? (Its runnin off the low pass filter setting). I mean i've gotta turn the gain up to max just to get a bit of bass, but even that sounds crap.
I no for a fact that its not the Sub, because i've tried running it off my brother's Dragster AMP, and it runs perfect on there, well loud, even on low volume!! (thats in the same box etc. i was usin in my car)
The Rockford amp is 4ch, and the 2 channels that are runnin my 6*9's sound perfect (set on 'high pass filter'). Running as good as the day i installed the whole lot.
So, wot i thought it mite b, is the other 2 channels on the amp have broke (is this even possbile i ask??). So, I tested this by swappin the Sub for the 6*9s channels, and the Sub still sounds shit, and the 6*9s perfect.
its really odd.....i mean i cant work it out at all, becuase this set up is perfectly matched, and up until 3/4 days ago used to sound the bollox. Now it just sounds bollox. Very imbarrasing as all i got comin thru my speakers is treble.
Any one got any ideas or clues as to why this mite b happening???? Anything i shud check etc??
cheers in advance!
Matt
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diddon
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Registered: 23rd Apr 02
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wrong area try ice and electrics
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
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But this is an urgent post, and experience has shown that the "ice and electerics" section doesnt get viewed as much, thus doesnt get help as quick, thus not helping me.
okay? 
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diddon
Member
Registered: 23rd Apr 02
User status: Offline
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maybe you've blown a channel on your amp
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
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nope, i've swapped 6*9s with sub, and still the same thing. Sub low, 6*9s normal
Matt
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M4tt
Member
Registered: 18th Apr 03
Location: Potters Bar
User status: Offline
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maybe there is a problem when the channels are bridged.
check the connections inside the box and and the sub itself, may have fallen off rp sumin.
have you tried running the amp without the 6x9s, and the sub running off 2ch bridged? could be a power problem...
matt 
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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what he says^^^
try another similar sub on the amp see if it the amp
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
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hmm i'll have to try a mates sub on the amp. I dont think its the sub tho.
gonna check some of those things M4tt suggested :Thumbs:
Matt
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Yeah sounds like a power problem. Your battery ok aint it? Just also check to see that your fuses aint bending as this can cause poor conductivity ive found. Other than that im stumped, you sound like you tried all possibilities...
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M4tt
Member
Registered: 18th Apr 03
Location: Potters Bar
User status: Offline
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MattyB you can try my sub if you want, i haven't got it in my car at the mo
(blown my amp  )
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MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
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cheers Matt - mite have to take u up on that if i cant use my bro's
Tomas - will check, thanks. why would 6x9's b ok?
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M4tt
Member
Registered: 18th Apr 03
Location: Potters Bar
User status: Offline
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mattyB - u2u me mate if you need it
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