accuton C158-6-851
Mid Bass
6.25″ / 158 mm
Nominal diameter
31 Hz
Resonance
0.28
Q factor
86 dB
Sensitivity
± 5 mm
Linear excursion
240 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.9
- dB
- Resonance frequency (free air)
- fS
- 31.0
- Hz
- Mechanical quality factor
- QMS
- 5.09
- Electrical quality factor
- QES
- 0.29
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 5.0
- mm
- Air volume displaced at xmax
- VD
- 57
- cm³
- Power handling
- P
- 120
- W
- Program power
- Pmax
- 240
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.1
- Ω
- Inductance (1kHz)
- LE
- 0.77
- mH
- VC Diameter
- 38
- mm
- Winding material
- Copper
- Former material
- Titanium
- Force factor
- Bl
- 8.7
- N/A
- Motor constant
- Bl/√RE
- 3.53
- N/√W
- Diameter
- 120
- mm
- Height
- 42
- mm
- Effective diameter
- 120
- mm
- Effective area
- SD
- 113
- cm²
- Moving mass
- MMS
- 18.5
- g
- Moving mass (without air load)
- MMD
- 17.6
- g
- Material
- Ceramic
- Stiffness
- KMS
- 0.7
- N/mm
- Compliance
- CMS
- 1420
- µm/N
- Equivalent volume to the compliance
- VAS
- 25.7
- L
- Mechanical resistance
- RMS
- 0.71
- N·s/m
- Nominal diameter
- 6.25
- ″
- 158
- mm
- Overall diameter
- 158
- mm
- Baffle cutout diameter
- 137
- mm
- Overall depth
- 90
- mm
- Flange thickness
- 6
- mm
- Mounting depth
- 84
- mm
- Volume occupied by the driver (estimated)
- 0.52
- L