GRANITE “PRO”
SUBWOOFERS
CONGRATULATIONS!
You have chosen a superior product for reproducing true high-fidelity in
the car. This precision component,
when properly installed, is capable of
_audiophile-quality
performance. The Granite Pro woofers are well-suited
for sealed, vented, and
bandpass
enclosures. They also work well in
infinite baffle installations at one-half the power rating.
Should your woofer ever require service or replacement, recording the
information below for
your own records will
help protect
your investment.
Model Number:
Serial Number:
Dealer’s Name:
Date of Purchase:
lnstallafion Shop:
Installation Date:
DESIGN FEATURES
l Installation Flexibility The Granite Pro woofers perform well in
infinite baffle, sealed, vented, and
bandpass
enclosures. Regardless
of the application, Granite Pro woofers perform.
l
High-Efficiency Design The Granite Pro woofers use high efficiency
magnet structures and Dual Density Bonded Polyether Foam
surrounds to ensure high efficiency, as well as durability.
l
Computer-Optimized Straight-Edge Cone Design ensures the most
efficient energy transfer / transient response.
l
Vented
Pole
Piece for greater voice coil cooling.
l
Specially Coated Heavy Steel Frame Basket for extra rigidity and
damping.
l
Insulated Input Leads
l Designed and Manufactured in the U.S.A.
Freq. Response
Sens. 1 w/l m
impedance (nom. z)
Rated Program Power
Rated Peak Power
Fs
Qts
Qms
Qes
Vas
(ft3)
Vas (liters)
Vas
(m’)
Cms
(urn/N)
DCR (ohms)
Levc (mH) @
1
kHz
BL
(Tesla m)
Sd (in*)
Sd
(m’)
Sd
(cm2)
X max
one way (linear mm)
X max
one way (peak mm)
Vd (linear
cm’)
Vd (peak
cm’)
Vd (linear
m3)
Vd (peak
m’)
Mms
(grams)
Magnet Assembly (oz)
Magnet Weight
(02)
Vf (volume of frame)
Coil (mm)
TP (mm)
Mounting Dia. (in)
Granite
Granite
Granite
Granite
Pro 8
Pro 10 Pro 12
Pro 15
40-500
Hz
37-500 Hz
33-500
Hz
25-500 Hz
90dB
92
dB
93
dB
92
dB
4
ohms
4 ohms
4 ohms
4
ohms
100 watts
125
watts
150 watts
200 watts
175 watts
200
watts
250 watts
300 watts
45 Hz 42 Hz
34 Hz
22
Hz
0.447
0.577
0.530
0.480
5.305 6.62
7.55
8.41
0.488
0.632
0.570
0.509
1.13
1.40
3.46
12.36
32
40
98
350
0.032
0.040
0.098
0.350
467.4
226
246
345
3.2
4.2
3.3
3.19
0.811
0.80
0.70
0.65
7.05
10.54
10.51
11.60
34.13
54.3
86.7
131.0
0.0220
0.0350
0.0531
0.0845
220
350
531
845
5.00
4.25
5.00
5.00
18
110
396
0.00011
0.000396
62
72
32
45 in”
20
6
7
21
203
735
0.000203
0.000735
62
106
38
120
in3
15.2
9.4
9
‘Ia
3
18
21
451
507
956
1775
0.000451
0.000507
0.000956
0.001775
88
145
106
179
38
68
135
in3
275
in3
17.75
22.7
9.4
10.5
11
‘Is
14