Cerwin-Vega STKR122 Manuale utente
SUBWOOFER OWNERS MANUAL
Dear Cerwin-Vega Mobile Customer,
Thank you for making Cerwin-Vega Mobile your choice for high
performance car audio products. At Cerwin-Vega Mobile our goal is to
produce products of unsurpassed quality. We believe you will not nd a
better value anywhere in the mobile audio environment.
To ensure that your new Cerwin-Vega Mobile speakers provide
years of enjoyment you should consider having them installed by
a professionally trained technician. They have the knowledge to
make your new speakers perform their very best.
Prolonged exposure to sound pressure levels in excess of 100dB
can cause permanent hearing loss. Cerwin-Vega Mobile speakers
can exceed that level, so please exercise restraint when listening
and enjoy your new speakers for years to come.
Mica Reinforced Polypropylene Skeleton Cone
Field Serviceable Cone Assembly
Heavy Gauge Diecast Aluminum Frame
U-Term Speaker Terminal
Dual 3” voice coils
Available in 2 ohm or 4 ohm
1200 Watts RMS Power handling
SERIES WOOFER FEATURES authorized Cerwin-Vega Mobile retailer is recommended for designing the correct system
for your vehicle. All volumes below are shown as gross internal volumes, driver and vent
on most vented enclosures.
Sealed STKR122/STKR124
Vb (ft3) 1.5
F3 (Hz)/QTC 38/0.51
Power Handling (Watts RMS) 1200
Vb (ft3) 2.8
Fb/F3 (Hz) 35/27
Port (in.) [Dia. x length](2) 4” x 18”
Power Handling (Watts RMS) 1200
Dimension (in./mm) STKR122
Total Diameter (A) 12.875 in. (325 mm)
Mounting Diameter (B) 11.5 in. (292 mm)
Screw Hole Diameter (C) 12.0 in. (305mm)
Mounting Depth (D) 8.5 in. (215mm)
Magnet Diameter (E) 8.25 in. (210 mm)
Displacement 0.26 ft3 (7.31liter)
THIELE/SMALL PARAMETERS
PHYSICAL DIMENSIONS
ENCLOSURE
Parameter (unit) STKR122
SPL (dB) 88.5
Re () [Series] 1.9 [3.8]
Qms 5.647
Qes 0.592
Qts 0.536
Fs (Hz) 38.07
Vas (L) 21.08
Cms (mm/N) 0.0668
Mms (g) 261.63
Sd (m2) 0.047
BL (T*M) 20.05
Xmax (mm) one way 20
Pwr (W) NOM/MAX 1200/2400
Vented (High Output)
STKR124
12.875 in. (325 mm)
11.5 in. (292 mm)
12.0 in. (305mm)
8.5 in. (215mm)
8.25 in. (210 mm)
0.26 ft
STKR124
88.5
3.2 [6.4]
5.355
0.702
0.621
39.55
19.53
0.0619
261.63
0.047
24.34
20
1200/2400
3(7.31liter)
authorized Cerwin-Vega Mobile retailer is recommended for designing the correct system
for your vehicle. All volumes below are shown as gross internal volumes, driver and vent
on most vented enclosures.
Sealed STKR122/STKR124
Vb (ft3) 1.5
F3 (Hz)/QTC 38/0.51
Power Handling (Watts RMS) 1200
Vb (ft3) 2.8
Fb/F3 (Hz) 35/27
Port (in.) [Dia. x length](2) 4” x 18”
Power Handling (Watts RMS) 1200
Dimension (in./mm) STKR122
Total Diameter (A) 12.875 in. (325 mm)
Mounting Diameter (B) 11.5 in. (292 mm)
Screw Hole Diameter (C) 12.0 in. (305mm)
Mounting Depth (D) 8.5 in. (215mm)
Magnet Diameter (E) 8.25 in. (210 mm)
Displacement 0.26 ft3 (7.31liter)
THIELE/SMALL PARAMETERS
PHYSICAL DIMENSIONS
ENCLOSURE
Parameter (unit) STKR122
SPL (dB) 88.5
Re () [Series] 1.9 [3.8]
Qms 5.647
Qes 0.592
Qts 0.536
Fs (Hz) 38.07
Vas (L) 21.08
Cms (mm/N) 0.0668
Mms (g) 261.63
Sd (m2) 0.047
BL (T*M) 20.05
Xmax (mm) one way 20
Pwr (W) NOM/MAX 1200/2400
Vented (High Output)
STKR124
12.875 in. (325 mm)
11.5 in. (292 mm)
12.0 in. (305mm)
8.5 in. (215mm)
8.25 in. (210 mm)
0.26 ft
STKR124
88.5
3.2 [6.4]
5.355
0.702
0.621
39.55
19.53
0.0619
261.63
0.047
24.34
20
1200/2400
3(7.31liter)
RECONE INSTRUCTIONS
All Cerwin-Vega Mobile Stroker series woofers have been designed to be eld
serviceable. This new design provides a fast and simple way to rebuild woofers
in the eld using only the provided allen tool.
BEFORE YOU START
Make sure your work area is clean and free from any dirt or metal particles.
Stroker woofers can attract metal particles from a few feet away. Metal par-
ticles in the voice coil gap permanently damage the speaker and will void
any warranty. If the woofer is going to be left disassembled for any length of
time we recommend covering the voice coil gap with plastic wrap until it is
time to rebuild the woofer
We recommend that you use BLUE Loctite thread lock 242 on all Stroker
hardware.
1.
2.
RECONE STEPS
Using the provided allen tool, remove the six allen bolts attaching the cone
assembly to the magnet. Please see illustration below.
1.
Carefully lift the cone assembly off of the magnet. Please see illlustration
below.
2.
Make sure that the voice coil gap is clean. If the prior voice coil was melted
or damaged any remaining material must be removed prior to installing the
new cone assembly.
Align the cone assembly terminals with the Cerwin-Vega Mobile logo on the
magnet boot and very carefully lower the cone assembly down into the voice
coil gap of the magnet. Special care must be taken not to scratch or damage
the voice coil. The assembly should slide into place with no friction between
the cone assembly and the magnet.
3.
4.
Align the screw holes in the cone assembly with the screw holes in the mag-
net and gently hand tighten all six allen screws. Please see illustration be-
low
5.
6. Using the provided allen tool, tighten the six allen bolts attaching the cone
assembly to the magnet in the order shown below. Do not over tighten.
7. Carefully move the woofer cone in and out, checking for any obvious rubs.
Be careful to apply even pressure. It is easy to apply to much pressure on one
side of the cone and cause a rub. If there is an obvious rub go back to the
beginning and start again.
1
4
3
6
2
5
A
B
C
D
F
G
A
A
B
C
E
CUT LIST
A: Top/Bottom --> (2) 23.5” X 17.5”
B: Side L --> 16.75” X 12.5”
C: Front --> 20.75” X 12.5”
D: Back --> 23.5” X 12.5”
E: Side R --> 16” X 12.5”
F: Vent Part--> 8.25“ X 12.5”
G: Vent Part--> 14” X 12.5”
H: Front Support--> 19.25“ X 12.5
Cutout Diameter--> 11.5”
VENTS
TUNNING
NOTES
2” X 12.5” X 24”
VB--> 2.0cu.ft Net
Fp -->34Hz
Fb--> 38Hz
F3--> 26Hz
-- All measurments are in inches
-- Use 3/4” MDF for Construction
-- CVM recommends rounding vent
corners to help eliminate any port
noise.
-- Use wood glue on all seams.
-- Cut all like measurments at one time eg) Cut all 12.5” pieces at one time
(do not move saw fence).
14”
23.5”
17.5”
H
SQL ENCLOSURE GUIDE
Warranty
Cerwin-Vega Mobile warrants all speakers to be free of defects in material or workmanship
for a period of 1 year.
Warranty Procedure:
Cerwin-Vega Mobile strongly suggests all warranty claims should be handled through
an authorized dealer. Because of the technical nature of our products, performance
problems can often be the result of improper usage or installation. An authorized
retailer can help determine if this is the case and will save you the time of returning
an item that is not actually defective.
For all STROKER subwoofer models the cone is to be removed from the magnet.
All returns must have the serial number taped to the cone. The serial number can be found
on the basket and underneath the spider attached to the top of the magnet plate.
Please remove the sticker and tape it to the cone. This process will save everyone on
shipping costs and allow us to check and replace speakers much faster.
Shipping:
Once you have your RA number, ship your return to:
Cerwin-Vega Mobile
ATTN: Customer Service Dept.
6915 W. Frye Road
Chandler, AZ 85226
When we receive your return, we will process your order. Please make sure that you clearly
mark the RA number on the outside of the box and on the shipping label.
If the RA number is not on the outside of box/label, it will be returned to sender!
110607
6915 W. Frye Road
Chandler, AZ 85226
480 838 9422 • 480 491 1201 [fax]
www.cerwinvegamobile.com
Specications subject to change without notice.
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