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Thread: Sony explod 350rms mono amp |
    
New member Username: Jbl16
Post Number: 1
Registered: Oct-04
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| Posted on Wednesday, October 13, 2004 - 09:42 pm: |
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Hi, ive been having some problems with either the amp or the speaker not really sure. While playing normally on the road the sub cut outs completly at times, only after a few minutes does it start producing sound again. This happened also with my sony sub installed, then switched to an alpine type R and kept happening. Today while driving to work the sub seemed to sound really low even with the amp at less than half boost, and wouldnt respond much to any bass lvl changes. What do you guys think blown amp, or I have some other problem : / |
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Bronze Member Username: Chevy_for_life
Post Number: 65
Registered: Sep-04
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| Posted on Wednesday, October 13, 2004 - 09:57 pm: |
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U have sony buddy thats what the problem is.. sony subs,amps anything sucks! |
New member Username: Jbl16
Post Number: 2
Registered: Oct-04
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| Posted on Wednesday, October 13, 2004 - 09:59 pm: |
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lol, well is there any way, visually that i can check its the amp?, I'm about to buy an alpine mrd-301 amp, just wanna be sure my amp is wasted |
New member Username: Jbl16
Post Number: 3
Registered: Oct-04
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| Posted on Thursday, October 14, 2004 - 12:52 am: |
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anyone?  |
Juggalo Jeff Unregistered guest |
| Posted on Thursday, October 14, 2004 - 02:19 am: |
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u dont live in michigan by any chance do you? |
New member Username: Jbl16
Post Number: 4
Registered: Oct-04
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| Posted on Thursday, October 14, 2004 - 06:12 am: |
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????, no : / |
Gold Member Username: Glasswolf
NorthWest,
Michigan
USA
Post Number: 4577
Registered: Dec-03
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| Posted on Thursday, October 14, 2004 - 03:04 pm: |
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you can check the amp with a voltmeter (DMM) but I can tell ya pretty much it's the amp failing or clipping.
if the subs failed, they'd cut out and stay that way. it wouldn't be something that happened after warming up.
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| Posted on Friday, October 15, 2004 - 05:49 am: |
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Had the same problem with my system (Kenwood 3003) and amp,. The sound will completely cut off for about 3 - 7 seconds, then back on again. the louder I had it on the more often it would do it. Found out that the ground connection wasn't making good contact, even though I had bolted it to the seat-belt from the chassi. So i ran a separate cable directly from the battery terminal... that Solved the problem! |
Silver Member Username: Fishy
Tamarac,
FL
USA
Post Number: 551
Registered: Sep-04
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| Posted on Friday, October 15, 2004 - 07:17 am: |
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Yeah I never understood why one of those seatbelt bolts wouldn't make a good ground point, but Arc Audio specifically recommends not using them in their amp manuals. Why I don't know. Maybe they sometimes use some sort of lock nut(or thread) that has plastic inside it which could intefere with good contact with the chassis.
Why Jonathan, oh why?
-Fishy |
Gold Member Username: Glasswolf
NorthWest,
Michigan
USA
Post Number: 4641
Registered: Dec-03
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| Posted on Friday, October 15, 2004 - 01:55 pm: |
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for one thing, that metal is usually painted.
you need to sand to bare metal for a good ground point.
also they don't want people modifying or messing with the bolts that hold down a car's seats.
this can be hazardous if you're in an accident, and they don't want to get sued.
last reason is, the seat can move a bit, and cause the connection to wear or become faulty. that causes a poor ground point.
you're better off just sanding down a spot next to the seat bolts, away from any brake or fuel lines, and using that with a washer and ring terminal.
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New member Username: Jbl16
Post Number: 6
Registered: Oct-04
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| Posted on Saturday, October 16, 2004 - 01:05 am: |
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Went ahead and ordered the apline mrd-m301, I'tll be here tomorrow. Hmm about the ground i checked it and it seems fine, its metal piece with a bold goign in to one of the side panels in my trunk,, that should be enough contact. |
