SUPRAVOX 285 GMF
8Ω
Mid Bass
Nominal diameter | 12″ / 285 mm |
Resonance | 47 Hz |
Q factor | 0.38 |
Sensitivity | 101.1 dB |
Linear excursion | ± 4 mm |
Program Power | 140 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 101.1dB
- Frequency response 40 - 7000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 47Hz
- Mechanical quality factor QMS 8.00
- Electrical quality factor QES 0.39
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion xmax 4mm
- Air volume displaced at xmax VD 188cm³
- Power handling P 70W
- Program power Pmax 140W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.5Ω
- Inductance (1kHz, estimated) LE 1.06mH
Magnet
- Flux density B 1.4T
- Force factor Bl 10.7N/A
- Motor constant Bl/√RE 4.2N/√W
- Diameter 120mm
Diaphragm
- Effective diameter 245mm
- Effective area SD 471cm²
- Moving mass MMS 20g
- Moving mass (without air load) MMD 12.8g
Suspensions
- Stiffness KMS 1.67N/mm
- Compliance CMS 600µm/N
- Equivalent volume to the compliance VAS 150L
- Mechanical resistance RMS 0.74N·s/m
- Surround material Paper
Dimensions
- Nominal diameter 12″
- 285mm
- Overall diameter 290mm
- Baffle cutout diameter 280mm
- Overall depth 128mm
- Flange thickness 8mm
- Mounting depth 120mm
- Volume occupied by the driver (estimated) 1.9L
- Frame material Aluminium
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