GRS 5PF-8
8Ω
Woofer
| Nominal diameter | 5.25″ / 135 mm |
| Resonance | 162 Hz |
| Q factor | 2.04 |
| Sensitivity | 90.5 dB |
| Linear excursion | ± 2.5 mm |
| Program power | 180 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.5dB
- Frequency response 90 - 8000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 162Hz
- Mechanical quality factor QMS 5.96
- Electrical quality factor QES 3.09
- Total quality factor QTS 2.04
Large signal parameters
- Maximum linear excursion (one way) xmax 2.5mm
- Air volume displaced at xmax VD 19cm³
- Power handling P 90W
- Program power Pmax 180W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.3Ω
- Inductance (1kHz) LE 0.5mH
- VC Diameter 25mm
Magnet
- Force factor Bl 3.8N/A
- Motor constant Bl/√RE 1.41N/√W
- Diameter 70mm
Diaphragm
- Effective diameter 98mm
- Effective area SD 75.2cm²
- Moving mass (including air load) MMS 6.1g
- Moving mass MMD 5.6g
- Material Poly-laminated paper
Suspensions
- Stiffness KMS 6.25N/mm
- Compliance CMS 160µm/N
- Equivalent volume to the compliance VAS 1.3L
- Mechanical resistance RMS 1.04N·s/m
- Surround material Treated foam
Dimensions
- Nominal diameter 5.25″
- 135mm
- Overall diameter 135mm
- Baffle cutout diameter 120mm
- Overall depth 58mm
- Flange thickness 6mm
- Mounting depth 52mm
- Volume occupied by the driver (estimated) 0.24L
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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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