SUPRAVOX 215 EXC
Full-range
8″ / 215 mm
Nominal diameter
50 Hz
Resonance
0.31
Q factor
103 dB
Sensitivity
± 5 mm
Linear excursion
40 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 102.9
- dB
- Frequency response
- 50 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 50.0
- Hz
- Mechanical quality factor
- QMS
- 9.23
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 5.0
- mm
- Air volume displaced at xmax
- VD
- 130
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 40
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 4.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.18
- mH
- Force factor
- Bl
- 6.23
- N/A
- Motor constant
- Bl/√RE
- 3.12
- N/√W
- Material
- Electromagnet
- Effective diameter
- 182
- mm
- Effective area
- SD
- 261
- cm²
- Moving mass
- MMS
- 7
- g
- Moving mass (without air load)
- MMD
- 3.9
- g
- Stiffness
- KMS
- 1.0
- N/mm
- Compliance
- CMS
- 1000
- µm/N
- Equivalent volume to the compliance
- VAS
- 96.5
- L
- Mechanical resistance
- RMS
- 0.24
- N·s/m
- Surround material
- Paper
- Nominal diameter
- 8
- ″
- 215
- mm
- Overall diameter
- 227
- mm
- Baffle cutout diameter
- 212
- mm
- Overall depth
- 147
- mm
- Flange thickness
- 10
- mm
- Mounting depth
- 137
- mm
- Volume occupied by the driver (estimated)
- 1.6
- L
- Frame material
- Aluminium