Scan-Speak Discovery 22W/4534G00
4Ω
Woofer
| Nominal diameter | 8″ / 220 mm |
| Resonance | 30 Hz |
| Q factor | 0.34 |
| Sensitivity | 89.7 dB |
| Linear excursion | ± 5.7 mm |
| Program Power | 120 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.7dB
- Frequency response 30 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 3.70
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.34
Large signal parameters
- Maximum linear excursion (one way) xmax 5.7mm
- Maximum excursion before damage xlim 12mm
- Air volume displaced at xmax VD 134cm³
- Power handling P 70W
- Program power Pmax 120W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.0Ω
- Inductance (1kHz, estimated) LE 0.55mH
- VC Diameter 38mm
- Winding height HVC 17.3mm
Magnet
- Force factor Bl 6N/A
- Motor constant Bl/√RE 3.46N/√W
- Air gap height HAG 6mm
Diaphragm
- Effective diameter 173mm
- Effective area SD 235cm²
- Moving mass MMS 23.7g
- Moving mass (without air load) MMD 21g
- Material Coated Fibre Glass
Suspensions
- Stiffness KMS 0.813N/mm
- Compliance CMS 1230µm/N
- Equivalent volume to the compliance VAS 95L
- Mechanical resistance RMS 1.19N·s/m
- Surround material SBR Rubber
Dimensions
- Nominal diameter 8″
- 220mm
- Volume occupied by the driver 0.55L
- Net weight 2.1kg
- Frame material Die cast Aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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