SUPRAVOX 215 GMF
Mid Bass
8″ / 215 mm
Nominal diameter
45 Hz
Resonance
0.33
Q factor
100 dB
Sensitivity
± 5 mm
Linear excursion
80 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 99.7
- dB
- Frequency response
- 40 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 45.0
- Hz
- Mechanical quality factor
- QMS
- 6.00
- Electrical quality factor
- QES
- 0.35
- Total quality factor
- QTS
- 0.33
- Maximum linear excursion
- xmax
- 5.0
- mm
- Air volume displaced at xmax
- VD
- 143
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 8.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.44
- mH
- Flux density
- B
- 1.5
- T
- Force factor
- Bl
- 8.0
- N/A
- Motor constant
- Bl/√RE
- 2.83
- N/√W
- Diameter
- 96
- mm
- Effective diameter
- 190
- mm
- Effective area
- SD
- 285
- cm²
- Moving mass
- MMS
- 10
- g
- Moving mass (without air load)
- MMD
- 6.6
- g
- Stiffness
- KMS
- 1.0
- N/mm
- Compliance
- CMS
- 1000
- µm/N
- Equivalent volume to the compliance
- VAS
- 120
- L
- Mechanical resistance
- RMS
- 0.47
- N·s/m
- Surround material
- Paper
- Nominal diameter
- 8
- ″
- 215
- mm
- Overall diameter
- 224
- mm
- Baffle cutout diameter
- 212
- mm
- Overall depth
- 110
- mm
- Flange thickness
- 10
- mm
- Mounting depth
- 100
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
- Frame material
- Aluminium