# FS: 12"jbl gti sub with alpine amp
**URL:** https://forums.speedlife.net/t/fs-12-jbl-gti-sub-with-alpine-amp/120625
**Category:** Classifieds
**Created:** [December 17, 2008, 8:01am UTC](https://forums.speedlife.net/t/fs-12-jbl-gti-sub-with-alpine-amp/120625 "2008-12-17T08:01:14Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@rocco](https://forums.speedlife.net/u/rocco)
#### Post date: [December 17, 2008, 8:01am UTC](https://forums.speedlife.net/t/fs-12-jbl-gti-sub-with-alpine-amp/120625/1 "2008-12-17T08:01:14Z")
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**Asking Price** : $550 (OBO)
**Condition** : /Used
**Location** : miss, ont
**Will Ship?** : maybe
**Contact Info** : Send PM for contact details and to schedule a meet also call me on my cell 647 298 2901
**Description** :
hello
For sale:
-12" jbl gti series
-with two boxes both bassworks also ported
-alpine m5000 amp, mono 1000rms output
-1 farat cap
\*\*\*\*if this is going into a s13 i can do it i no that car by the back of my hand for audio…
all for only 550$ best offer need gone asap xmas is on its way
specs . . .
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subwoofer
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Product Features
12" GTi MKII Differential Drive® Design Subwoofer
Dual Voice coil design (dual 6-ohm, pre-wired as a 3-ohm sub)
Differential Drive® Design (DDD) motor
Die-cast vented basket
Kevlar®-impregnated paper woofer cone
Nitrile-butylene surround
Power handling RMS: 700 watts
Power handling Peak: 4,000 watts
Sensitivity 91dB @ 2.83V/1m
Power Handling 700W RMS, 4,000W Peak
Frequency Response 18Hz ~ 1kHz
Impedance 3 or 12 ohms
Voice-Coil Diameter 3" (76mm)
Mounting Depth 10-1/4" (260mm)
Overall Diameter 12-1/4" (312mm)
Cut-Out Diameter 11" (280mm)
Displacement 0.149 ft3 (4.23 l)
Product Description
Cast aluminum heat-sink cooled magnet system - for an extreme power handling
Differential Drive System - consisting of dual-edgewound voice-coil and dual-gap technology for a doubling of Power Handling, Sensitivity and an “electrical brake” to control cone motion at extreme excursions
More than +/- 20mm linear cone excursion - provides extremely high sound pressure levels
Symmetrical-Field-Geometry (SFG) - reduces distortions to minimum at any level
Aquaplas coated cone - for exceptionally stable performance even at extreme levels
Butyl rubber surround - for better sound quality and long durability Two separate gold plated screw/plug terminals - provide long lasting electrical connections
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amp
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check this web site full specs \>\> [http://www.alpine-usa.com/US-en/products/product.php?model=MRP-M1000&lang=en&tab=F](http://www.alpine-usa.com/US-en/products/product.php?model=MRP-M1000&lang=en&tab=F)
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### Author:  [@Mistah\_Shotta](https://forums.speedlife.net/u/Mistah_Shotta)
#### Post date: [December 17, 2008, 8:17am UTC](https://forums.speedlife.net/t/fs-12-jbl-gti-sub-with-alpine-amp/120625/2 "2008-12-17T08:17:48Z")
shiiiiiiiiiiiiit that loud these are better then a Type X
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### Author:  [@Mistah\_Shotta](https://forums.speedlife.net/u/Mistah_Shotta)
#### Post date: [December 17, 2008, 8:24am UTC](https://forums.speedlife.net/t/fs-12-jbl-gti-sub-with-alpine-amp/120625/3 "2008-12-17T08:24:17Z")
how much for sub alone
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### Author:  [@rocco](https://forums.speedlife.net/u/rocco)
#### Post date: [December 17, 2008, 8:39am UTC](https://forums.speedlife.net/t/fs-12-jbl-gti-sub-with-alpine-amp/120625/4 "2008-12-17T08:39:44Z")
350, get the whole deal , i payed so much more than 550