Tang Band W8-670Q
T
Q
Subwoofer
8″ / 203 mm
Nominal diameter
38 Hz
Resonance
0.46
Q factor
86 dB
Sensitivity
± 7 mm
Linear excursion
140 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.8
- dB
- Frequency response
- 38 - 500
- Hz
- Resonance frequency (free air)
- fS
- 38.0
- Hz
- Mechanical quality factor
- QMS
- 5.35
- Electrical quality factor
- QES
- 0.51
- Total quality factor
- QTS
- 0.46
- Maximum linear excursion
- xmax
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 154
- cm³
- Power handling
- P
- 70
- W
- Program power
- Pmax
- 140
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.5
- Ω
- Inductance (1kHz)
- LE
- 0.96
- mH
- VC Diameter
- 39
- mm
- Force factor
- Bl
- 12.26
- N/A
- Motor constant
- Bl/√RE
- 4.81
- N/√W
- Air gap height
- HAG
- 8
- mm
- Material
- Ferrite
- Effective diameter
- 167
- mm
- Effective area
- SD
- 220
- cm²
- Moving mass
- MMS
- 49.9
- g
- Moving mass (without air load)
- MMD
- 47.6
- g
- Material
- Paper
- Stiffness
- KMS
- 2.76
- N/mm
- Compliance
- CMS
- 363
- µm/N
- Equivalent volume to the compliance
- VAS
- 25
- L
- Mechanical resistance
- RMS
- 2.23
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 8
- ″
- 203
- mm
- Volume occupied by the driver (estimated)
- 1.3
- L
- Net weight
- 3.08
- kg