GRS 12PT-8
8Ω
Woofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 35 Hz |
| Q factor | 0.39 |
| Sensitivity | 92.2 dB |
| Linear excursion | ± 6.8 mm |
| Program power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 92.2dB
- Frequency response 35 - 7000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 12.10
- Electrical quality factor QES 0.40
- Total quality factor QTS 0.39
Large signal parameters
- Maximum linear excursion (one way) xmax 6.8mm
- Air volume displaced at xmax VD 361cm³
- Power handling P 350W
- Program power Pmax 700W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.6Ω
- Inductance (1kHz) LE 1.9mH
- VC Diameter 76.5mm
- Winding height HVC 16mm
- Former material Kapton
Magnet
- Force factor Bl 17.4N/A
- Motor constant Bl/√RE 6.31N/√W
- Air gap height HAG 7mm
- Diameter 170mm
- Height 20mm
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass (including air load) MMS 73g
- Moving mass MMD 64.4g
- Material Paper
Suspensions
- Stiffness KMS 3.57N/mm
- Compliance CMS 280µm/N
- Equivalent volume to the compliance VAS 112L
- Mechanical resistance RMS 1.33N·s/m
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 310mm
- Baffle cutout diameter 277mm
- Overall depth 130mm
- Flange thickness 9mm
- Mounting depth 121mm
- Volume occupied by the driver (estimated) 2.1L
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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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