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Old 09-04-2008, 09:21 PM   #1 (permalink)
1000 WRMS into 2 12" - unimpressed
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Heres my rig:

JVC KDG 230 http://www.jvc.ca/en/consumer/product-detail.asp?model=KD-G230

2 x 12" MMats Procast 600 WRMS Dual 4 ohm vc in a custom 4.5 cu ft. box, port tuned to 38 or 39 hz

1 Memphis PRD 1000.1 running at 1 ohm (Subs are wired in parallel)

1 Sony XM255EX powering two panasonic 160 WRMS each ex-house speakers.

and the two front door speakers 4x7 AC Delco paper cones.

Now, I just upgraded the Amplifier, I was running the subs off 360 WRMS combined. I thought that jumping up to 1000 watts RMS would make a huge difference, but it just aint cutting it for me. I have seen vids of people running this amp, and two 10's, and they can barely keep their car doors from popping off the car. Why is it that with my head unit at 30 vol. (Max is 50 I think) The bass won't even make my remote dance on the roof.
Gains on the PRD are 1/3 or better, 0db bass boost, subsonic is at 35hz, LP filter is at 60 Hz.
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Old 09-04-2008, 09:29 PM   #2 (permalink)
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if you didnt notice much of a difference then you need to spend more time tuning the amp would be my guess... because, depending on what its in that should make alot of noise...
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Old 09-04-2008, 09:38 PM   #3 (permalink)
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I still have to set the gains using a dmm. I thought it would make some extreme noise too, thats why i'm baffled that it still sounds the same.
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Old 09-04-2008, 09:49 PM   #4 (permalink)
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i have never been that technical with setting gains hahaha i just turn the damn thing up till its loud enough... just put on something with fairly consistent bass, then turn it up to what would be your normal listening volume then start slowly turning the amp up, till it makes enough noise, hahaha
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Old 09-04-2008, 10:42 PM   #5 (permalink)
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ya gain is to low. turn it up bud and theres gonna be bang bang in your trunk.
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Big box installer (Timmins)
02 GRAND CARAVAN SPORT

SPEAKERS: -TX series all around and soon to replace
-2x Massive audio CW12 in 4.2cf dual chamber square ported at ~35hz BLOWN crap damn those low notes lol

Amps: -DD SS1
-KAC-745

Upgrades: -160 amp alt. (soon)
-4 gauge wiring (done)
-0 gauge BIG 3 (done)
-sound deadning (soon)
?????????
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Old 09-05-2008, 10:30 AM   #6 (permalink)
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are you sure one of the subs isn't out of phase?Cause if it was you can say good by to bass.
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1993 honda civic dx
Security: compustar 2way
Head Unit: Alpine 9886
Amps: MTX mxa6001, MTX TC4004
Wiring: stinger
Mids & Tweeters: mb quartz rc216
Sub: 12" ssd fi audio in custom ported box(2.6 cu ft) tuned to 32 Hz
SPL: 140.3 at the dash at 38hz(Door open)138.7 with music tested with a term lab mic
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Old 09-05-2008, 04:05 PM   #7 (permalink)
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i dont think its out of phase, because there hooked up parallel. theres alot of bass, its just not really WOW, yknow?
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Old 09-05-2008, 05:31 PM   #8 (permalink)
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crappy box prob make a better one
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Big box installer (Timmins)
02 GRAND CARAVAN SPORT

SPEAKERS: -TX series all around and soon to replace
-2x Massive audio CW12 in 4.2cf dual chamber square ported at ~35hz BLOWN crap damn those low notes lol

Amps: -DD SS1
-KAC-745

Upgrades: -160 amp alt. (soon)
-4 gauge wiring (done)
-0 gauge BIG 3 (done)
-sound deadning (soon)
?????????
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Old 09-05-2008, 05:51 PM   #9 (permalink)
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where did u buy it from?
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FOR SALE:

My CRX - Loudest North American Street B Car

Brand New Digital Design 9510G Subs for CHEAP

Some BIG Amplifiers For a Good Price

Quote:
Originally Posted by ac_2007 View Post
The system does bump, and Alpines are known for being able to be pushed.
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Old 09-05-2008, 06:31 PM   #10 (permalink)
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while you have the DMM out to do your gains (not he best way) double check that the subs are in fact showing the amp a 1Ω load and not a 4Ω one.

other than that, or above suggestions, maybe you're expectations were unrealistic?
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