combo and what ...DB.... your hitting
10-11-2000, 07:59 PM
#1
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combo and what ...DB.... your hitting
ive got 1 12" base model rockfords and a pc275 amp by precision power im hitting a 136.4 DB and it will make the houses shake.found out the hard way $125.00 fine for excesive stereo they called it
10-12-2000, 08:30 AM
#4
There are a bunch of factors involved with getting an SPL reading, so I usually suggest that you enter a sanctioned competition that uses IASCA-style microphone placement on the passenger side of the dash, and with the windows up. I've seen single 12" subs hit 145+dB in local competitions that can only hit low 130s in IASCA style competition just because of microphone placement.
Last time (only time) I measured my system, I hit 141.1dB before I popped my breaker. I've got 2 12" Oz Audio 300L subs powered by a Kicker ZR600 amp. I could get at least 5 more dB out of it if I tweaked it, but then it would be on the ragged edge of blowing stuff, and I'm only into it for the sound quality anyway. I've got a pair of 10" Rockfords, and I may build a box and try to push those into the 140s.
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The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
Last time (only time) I measured my system, I hit 141.1dB before I popped my breaker. I've got 2 12" Oz Audio 300L subs powered by a Kicker ZR600 amp. I could get at least 5 more dB out of it if I tweaked it, but then it would be on the ragged edge of blowing stuff, and I'm only into it for the sound quality anyway. I've got a pair of 10" Rockfords, and I may build a box and try to push those into the 140s.
------------------
The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
10-18-2000, 09:37 PM
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Car: 88 IROC-Z (Sold)
Engine: 5.7L
Transmission: 700R4
A friend of mine has a truck with 8 12" Atomic's running off two Memphis HC-100 amps. He hit 161 one time. He has only done it once that I know of. I am not sure what I am hitting with my my two 10" Atomics.
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88 IROC-Z -- 350 L-98, 700R4, Flowmaster, K&N, MAF Sceens Gone, Airfoil, March Pullies, Comp Cams Magnum 1.6 Roller Rockers, Accel U-Groove Plugs, Accel 8.8 mm Wires, Hypertech Cap & Coil, Hypertech Chip, Hotchkis Strut Tower Brace, One Loud Stereo!
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irocet@hotmail.com
drive.to/Stang_Kilr
88 IROC-Z -- 350 L-98, 700R4, Flowmaster, K&N, MAF Sceens Gone, Airfoil, March Pullies, Comp Cams Magnum 1.6 Roller Rockers, Accel U-Groove Plugs, Accel 8.8 mm Wires, Hypertech Cap & Coil, Hypertech Chip, Hotchkis Strut Tower Brace, One Loud Stereo!
10-20-2000, 01:59 PM
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I was hitting 138.9Db with my old system of 2 RFP 1410 (10" punch) off a puch 100. It wasnt bad but the subs had a prblem with the spiders so I traded them for 2 xlc 12" and I will be running them off a 500a2. So i am waiting til next summer to install them in a custom box. Hopefully I can pull over 140Db
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