accuton AS190-9-251
8Ω
Woofer
Nominal diameter | 8″ / 190 mm |
Resonance | 33.4 Hz |
Q factor | 0.44 |
Sensitivity | 84.8 dB |
Linear excursion | ± 9 mm |
Program Power | 500 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 33.4Hz
- Mechanical quality factor QMS 4.75
- Electrical quality factor QES 0.49
- Total quality factor QTS 0.44
Large signal parameters
- Maximum linear excursion xmax 9mm
- Air volume displaced at xmax VD 182cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 8.6Ω
- Inductance (1kHz) LE 1.05mH
- VC Diameter 78mm
- Winding material Copper Clad Aluminium
- Former material Titanium
Magnet
- Force factor Bl 13.5N/A
- Motor constant Bl/√RE 4.6N/√W
- Diameter 156mm
- Height 52mm
Diaphragm
- Effective diameter 160mm
- Effective area SD 202cm²
- Moving mass MMS 49.4g
- Moving mass (without air load) MMD 47.4g
Suspensions
- Stiffness KMS 2.17N/mm
- Compliance CMS 460µm/N
- Equivalent volume to the compliance VAS 26.7L
- Mechanical resistance RMS 2.18N·s/m
Dimensions
- Nominal diameter 8″
- 190mm
- Overall diameter 190mm
- Baffle cutout diameter 170mm
- Overall depth 137mm
- Flange thickness 16mm
- Mounting depth 121mm
- Volume occupied by the driver (estimated) 1.2L
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