Tang Band W4-1052SDF
SD
SDF
Full-range
4″ / 102 mm
Nominal diameter
70 Hz
Resonance
0.42
Q factor
88 dB
Sensitivity
± 2.6 mm
Linear excursion
40 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.7
- dB
- Frequency response
- 70 - 17000
- Hz
- Resonance frequency (free air)
- fS
- 70.0
- Hz
- Mechanical quality factor
- QMS
- 4.80
- Electrical quality factor
- QES
- 0.46
- Total quality factor
- QTS
- 0.42
- Maximum linear excursion
- xmax
- 2.6
- mm
- Air volume displaced at xmax
- VD
- 15
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 40
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.8
- Ω
- Inductance (1kHz)
- LE
- 0.08
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 4.1
- N/A
- Motor constant
- Bl/√RE
- 2.1
- N/√W
- Air gap height
- HAG
- 2.5
- mm
- Material
- Ferrite
- Effective diameter
- 85
- mm
- Effective area
- SD
- 57
- cm²
- Moving mass
- MMS
- 4.6
- g
- Moving mass (without air load)
- MMD
- 4.3
- g
- Material
- Structured Polypropylene
- Stiffness
- KMS
- 0.89
- N/mm
- Compliance
- CMS
- 1129
- µm/N
- Equivalent volume to the compliance
- VAS
- 5.21
- L
- Mechanical resistance
- RMS
- 0.42
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 4
- ″
- 102
- mm
- Volume occupied by the driver (estimated)
- 0.74
- L
- Net weight
- 1.803
- kg