Rockford Fosgate M210S4 User Manual

Model: M210S4

Hz

(Qtc)

Hz

Thiele-Small Specifications

Fs (Hz):

45

Re (Ohms):

3.6

Le (mH):

0.3

Vd(cm

):

346

Liters | cu.ft.

in. | mm

in. | mm

Vented Box Excursion

Infinite Baffle Impedance

Infinite Baffle Excursion

Above specifications and dimensions comply with the CEA-2031 standard.

Specifications subject to change without notice.

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

PRODUCT BRIEF

M210S4

2008

Enclosure

Sealed:

Inf. Baffle:

Vented:

Volume (Vb) Port Dia. Port Length

Tuning(Fb) System

21.2 0.75 60.3 0.77 60.6 - - - -

60.6 2.14 57.5 0.63 58.0 - - - -

35.4 1.25 48.6 - 40.0 4 101.6 8.52 216.5

-3dB (F3)

SPL & Excursion (@100 Watts) - Impedance (@1 Watt)

Vented Box SPL Infinite Baffle SPL Closed Box SPL

120.0

110.0

100.0

90.0

SPL (dB)

80.0

70.0

60.0
10 100 1000

Closed Box Impedance Vented Box Impedance Closed Box Excursion

Sd (cm2): 346

Frequency (Hz)

Technical Specifications

Voice Coil Diameter: 1.95 49.53 inches | mm Erm: 0.82

Voice Coil Height: 0.98 24.9 inches | mm Kxm (mH): 4.1

Voice Coil Layers: layers Exm: 0.73

4

Magnetic Gap Height: 0.315 8.0 inches | mm Rem (Ohms): 1.86

Linear Excursion, pk-pk (Xmax): 0.665 16.9 inches | mm

Maximum Excursion, pk-pk: 1.89 48.0 inches | mm *

Magnet Weight: 54.4 1.54 oz. | kg

Woofer Displacement: 4.35 0.154 liters | cubic ft.

Net Weight: 12.3 5.6 lbs. | kg

Power Rating: 200 400 RMS | Peak

Qts: 0.57

Qes: 0.64

60

50

Cms (mm/N): 0.119

Qms: 9.00

Vas (L): 20.2

Mms (g): 105

40

30

Excursion (mm)

Impedance (ohms)

20

Mmd (g): 101

Rms (kg/s): 3.3

Airload (g): 3.7

No (%): 0.28

SPL (dB - 1W/1M): 86.0

10

0

BL (T*M): 13.1

*Xmax10 (mm):

10.0

EBP: 70

Krm (mOhms): 0.7

3

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.

RFPB- M210S4 (Rev B) DK

Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281

Rockford Corporation • 600 South Rockford Drive • Tempe, AZ • 85281

4-Apr-08