Cerwin Vega STKR122, STKR124 Owners Manual

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.

SERIES WOOFER FEATURES

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

PHYSICAL DIMENSIONS

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 ft

3

(7.31liter)

THIELE/SMALL PARAMETERS

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

2

Sd (m

) 0.047
BL (T*M) 20.05
Xmax (mm) one way 20
Pwr (W) NOM/MAX 1200/2400

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

STKR124

12.875 in. (325 mm)

11.5 in. (292 mm)

12.0 in. (305mm)

8.5 in. (215mm)

8.25 in. (210 mm)

3

0.26 ft

(7.31liter)

ENCLOSURE

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

3

Vb (ft

) 1.5

F3 (Hz)/QTC 38/0.51
Power Handling (Watts RMS) 1200

Vented (High Output)

3

) 2.8

Vb (ft
Fb/F3 (Hz) 35/27
Port (in.) [Dia. x length](2) 4” x 18”
Power Handling (Watts RMS) 1200