accuton C220-6-222
8Ω
Mid Bass
Nominal diameter | 8.5″ / 220 mm |
Resonance | 29.5 Hz |
Q factor | 0.26 |
Sensitivity | 90.2 dB |
Linear excursion | ± 6 mm |
Program Power | 300 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
Thiele & Small parameters
- Resonance frequency (free air) fS 29.5Hz
- Mechanical quality factor QMS 5.61
- Electrical quality factor QES 0.27
- Total quality factor QTS 0.26
Large signal parameters
- Maximum linear excursion xmax 6mm
- Air volume displaced at xmax VD 134cm³
- Power handling P 150W
- Program power Pmax 300W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.2Ω
- Inductance (1kHz) LE 0.37mH
- VC Diameter 55mm
- Winding material Copper
- Former material Titanium
Magnet
- Force factor Bl 11.7N/A
- Motor constant Bl/√RE 4.35N/√W
- Diameter 120mm
- Height 50mm
Diaphragm
- Effective diameter 169mm
- Effective area SD 224cm²
- Moving mass MMS 28g
- Moving mass (without air load) MMD 25.5g
- Material Ceramic
Suspensions
- Stiffness KMS 0.962N/mm
- Compliance CMS 1040µm/N
- Equivalent volume to the compliance VAS 74L
- Mechanical resistance RMS 0.93N·s/m
Dimensions
- Nominal diameter 8.5″
- 220mm
- Overall diameter 220mm
- Baffle cutout diameter 191mm
- Overall depth 113mm
- Flange thickness 9mm
- Mounting depth 104mm
- Volume occupied by the driver (estimated) 1.1L
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