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