Scan-Speak Discovery 15M/4624G00
4Ω
Mid-range
Nominal diameter | 6″ / 150 mm |
Resonance | 100 Hz |
Q factor | 0.43 |
Sensitivity | 90.3 dB |
Linear excursion | ± 1.5 mm |
Program Power | 180 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
- Frequency response 150 - 10000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 100Hz
- Mechanical quality factor QMS 5.62
- Electrical quality factor QES 0.47
- Total quality factor QTS 0.43
Large signal parameters
- Maximum linear excursion xmax 1.5mm
- Maximum excursion before damage xlim 8mm
- Air volume displaced at xmax VD 11cm³
- Power handling P 75W
- Program power Pmax 180W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.2Ω
- Inductance (1kHz, estimated) LE 0.13mH
- VC Diameter 25mm
- Winding height HVC 8mm
Magnet
- Force factor Bl 5.3N/A
- Motor constant Bl/√RE 2.96N/√W
- Air gap height HAG 5mm
Diaphragm
- Effective diameter 101mm
- Effective area SD 75cm²
- Moving mass MMS 6.2g
- Moving mass (without air load) MMD 5.7g
- Material Coated Fibre Glass
Suspensions
- Stiffness KMS 2.44N/mm
- Compliance CMS 410µm/N
- Equivalent volume to the compliance VAS 3.7L
- Mechanical resistance RMS 0.69N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 6″
- 150mm
- Volume occupied by the driver 0.21L
- Net weight 1.0kg
- Frame material Die cast Aluminium
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