Scan-Speak Revelator 22W/8857T00
8Ω
Woofer
Nominal diameter | 8″ / 220 mm |
Resonance | 23 Hz |
Q factor | 0.30 |
Sensitivity | 86.8 dB |
Linear excursion | ± 9 mm |
Program Power | 200 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB
- Frequency response 23 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 23Hz
- Mechanical quality factor QMS 4.90
- Electrical quality factor QES 0.32
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion xmax 9mm
- Maximum excursion before damage xlim 14mm
- Air volume displaced at xmax VD 198cm³
- Power handling P 80W
- Program power Pmax 200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.2Ω
- Inductance (1kHz, estimated) LE 1.52mH
- VC Diameter 50mm
- Winding height HVC 24mm
Magnet
- Force factor Bl 10.1N/A
- Motor constant Bl/√RE 4.06N/√W
- Air gap height HAG 6mm
- Material Ferrite
Diaphragm
- Effective diameter 167mm
- Effective area SD 220cm²
- Moving mass MMS 37g
- Moving mass (without air load) MMD 34.5g
- Material Anodized Aluminium
Suspensions
- Stiffness KMS 0.775N/mm
- Compliance CMS 1290µm/N
- Equivalent volume to the compliance VAS 87.7L
- Mechanical resistance RMS 1.09N·s/m
- Surround material SBR Rubber
Dimensions
- Nominal diameter 8″
- 220mm
- Volume occupied by the driver 1.04L
- Net weight 3.6kg
- Frame material Die cast Aluminium
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