GRS 12SFPC-W
W
BWoofer
| Nominal diameter | 12″ / 327 mm |
| Resonance | 31.2 Hz |
| Q factor | 0.70 |
| Sensitivity | 88.7 dB |
| Linear excursion | ± 4.3 mm |
| Program power | 160 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
- Frequency response 25 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 31.2Hz
- Mechanical quality factor QMS 3.41
- Electrical quality factor QES 0.89
- Total quality factor QTS 0.70
Large signal parameters
- Maximum linear excursion (one way) xmax 4.3mm
- Air volume displaced at xmax VD 211cm³
- Power handling P 80W
- Program power Pmax 160W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.8Ω
- Inductance (1kHz) LE 0.71mH
- VC Diameter 38mm
Magnet
- Force factor Bl 8.6N/A
- Motor constant Bl/√RE 3.57N/√W
- Diameter 110mm
- Height 36mm
Diaphragm
- Effective diameter 250mm
- Effective area SD 491cm²
- Moving mass (including air load) MMS 57g
- Moving mass MMD 48.7g
- Material Treated paper
Suspensions
- Stiffness KMS 2.17N/mm
- Compliance CMS 460µm/N
- Equivalent volume to the compliance VAS 154L
- Mechanical resistance RMS 3.28N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 12″
- 327mm
- Overall diameter 327mm
- Baffle cutout diameter 277mm
- Overall depth 121mm
- Flange thickness 20mm
- Mounting depth 101mm
- Volume occupied by the driver (estimated) 2.1L
- Frame material Steel
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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