PRODUCT BRIEF
M210S4
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 p arts.
•Injection molded mineral filled polypropylene cone body with UV inhibitors.
•UV &
•1" (25mm) bridge mounted component grade coated aluminum alloy tweeter.
•18 AWG Corrosion resistant removable Stainless Steel grill cover insert.
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•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
Enclosure | Volume (Vb) | Tuning(Fb) | System | Port Dia. | Port Length | ||||||||
Liters | cu.ft. | Hz | (Qtc) | Hz | in. | mm | in. | mm | |||||
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Sealed: | 21.2 |
| 0.75 | 60.3 | 0.77 | 60.6 | - |
| - | - |
| - | |
Inf. Baffle: |
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| 57.5 | 0.63 | 58.0 | - |
| - | - |
| - | |
Vented: | 35.4 |
| 1.25 | 48.6 | - | 40.0 | 4 |
| 101.6 | 8.52 |
| 216.5 | |
SPL & Excursion (@100 Watts) - Impedance (@1 Watt)
Vented Box SPL | Infinite Baffle SPL | Closed Box SPL |
Closed Box Impedance | Vented Box Impedance | Closed Box Excursion |
Vented Box Excursion | Infinite Baffle Impedance | Infinite Baffle Excursion |
| 120.0 |
| 60 |
|
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| 110.0 |
| 50 |
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| 100.0 |
| 40 |
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SPL (dB) | 90.0 |
| 30 | Impedance (ohms) | Excursion (mm) |
80.0 |
| 20 | |||
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| 70.0 |
| 10 |
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| 60.0 |
| 0 |
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| 10 | 100 | 1000 |
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Frequency (Hz)
Technical Specifications |
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Voice Coil Diameter: | 1.95 |
| 49.53 | inches mm |
Voice Coil Height: | 0.98 |
| 24.9 | inches mm |
Voice Coil Layers: |
| 4 | layers | |
Magnetic Gap Height: | 0.315 |
| 8.0 | inches mm |
Linear Excursion, | 0.665 |
| 16.9 | inches mm |
Maximum Excursion, | 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 |
Above specifications and dimensions comply with the
Thiele-Small Specifications
Fs (Hz): 45
Re (Ohms): 3.6
Le (mH): 0.3
Qts: 0.57
Qes: 0.64
Qms: 9.00
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
Krm (mOhms): 0.7
Erm: 0.82
Kxm (mH): 4.1
Exm: 0.73
Rem (Ohms): 1.86
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.
Specifications subject to change without notice.
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| Rockford Corporation • | 600 South Rockford Drive • | T empe, AZ • | 85281 |
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RFPB- M210S4 (Rev B) | Rockford Corporation | • 600 South Rockford Drive | • T empe, AZ | • 85281 |
