M210S4
PRODUCT BRIEF
2008
Model: M210S4
Type: Marine 10" Subwoofer
Power Rating: 200 Watts
Impedance:
4 ohms
Freq. Response:
40 - 250 Hz
Features
• True Marine Grade Compliance.
• 100% UV stable Centrex™ injection molded plastic parts.
• Injection molded mineral filled polypropylene cone body with UV inhibitors.
• UV & Salt-Fog resistant TPE (Thermo-Plastic Elastomer) surround.
•
1" (25mm) bridge mounted component grade coated aluminum alloy tweeter.
• 18 AWG Corrosion resistant removable Stainless Steel grill cover insert.
• Ultra-flexible fully insulated silicone lead wire.
• Proprietary corrossion resistant spring loaded push terminals.
• Moisture, tear and fatigue resistant aramid fiber spider.
• Linear high excursion matched motor magnetics and suspension design.
• Integrated Magnetic Shielding
• Removable trim ring/grill options. Available Black & White color options.
An IB enclosure design represents an application where the compliance of the air volume within the
enclosure is greater than the compliance of the speaker's suspension (Vas). An infrasonic filter is
required for reliable performance in vented and infinite baffle designs.
Recommended Applications
Volume (Vb) Tuning(Fb) System -3dB (F3
)
Port Dia.
in. | mm
Port Length
in. | mm
Enclosure
Liters | cu.ft.
Hz
Hz
(Qtc)
0.77
0.63
-
Thiele-Small Specifications
Fs (Hz): 45
21.2
60.6
35.4
0.75
2.14
1.25
60.3
57.5
48.6
60.6
58.0
40.0
-
-
-
-
-
-
-
-
Sealed:
Inf. Baffle:
Vented:
Re (Ohms): 3.6
Le (mH): 0.3
4
101.6 8.52 216.5
Qts: 0.57
Qes: 0.64
Qms: 9.00
SPL & Excursion (@100 Watts) - Impedance (@1 Watt)
Cms (mm/N): 0.119
Vas (L): 20.2
Mms (g): 105
Mmd (g): 101
Rms (kg/s): 3.3
Airload (g): 3.7
No (%): 0.28
SPL (dB - 1W/1M): 86.0
BL (T*M): 13.1
*Xmax10 (mm):
10.0
Sd (cm2): 346
EBP: 70
Technical Specifications
Krm (mOhms): 0.7
Erm: 0.82
Voice Coil Diameter: 1.95
Voice Coil Height: 0.98
Voice Coil Layers:
49.53 inches | mm
24.9 inches | mm
layers
Kxm (mH): 4.1
Exm: 0.73
4
Magnetic Gap Height: 0.315
8.0 inches | mm
Rem (Ohms): 1.86
Linear Excursion, pk-pk (Xmax): 0.665
Maximum Excursion, pk-pk: 1.89
Magnet Weight: 54.4
16.9 inches | mm
48.0 inches | mm
1.54 oz. | kg
0.154 liters | cubic ft.
5.6 lbs. | kg
Vd(cm3): 346
*
All parameters are derived using a laser velocity
measurement method and verified with actual
measured Mmd and Re. All dual voice coil
models are wired in series. Xmax10 represents
actual effective excursion at <10% THD.
Woofer Displacement: 4.35
Net Weight: 12.3
Power Rating: 200
400 RMS | Peak
Above specifications and dimensions comply with the CEA-2031 standard.
Specifications subject to change without notice.
Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281
Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281
RFPB- M210S4 (Rev B)
4-Apr-08 DK
|