SB Acoustics SB16PFC25-4
4Ω
8ΩMid Bass
6″ / 152 mm
Nominal diameter
35 Hz
Resonance
0.34
Q factor
87 dB
Sensitivity
± 4.5 mm
Linear excursion
80 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.1
- dB
- Resonance frequency (free air)
- fS
- 35.0
- Hz
- Mechanical quality factor
- QMS
- 2.76
- Electrical quality factor
- QES
- 0.39
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 4.5
- mm
- Air volume displaced at xmax
- VD
- 56
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 80
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.2
- Ω
- Inductance (1kHz)
- LE
- 0.56
- mH
- VC Diameter
- 25
- mm
- Winding height
- HVC
- 14
- mm
- Flux density
- B
- 1.06
- T
- Force factor
- Bl
- 5.0
- N/A
- Motor constant
- Bl/√RE
- 2.8
- N/√W
- Air gap height
- HAG
- 5
- mm
- Weight
- 0.36
- kg
- Effective diameter
- 126
- mm
- Effective area
- SD
- 124
- cm²
- Moving mass
- MMS
- 13.8
- g
- Moving mass (without air load)
- MMD
- 12.8
- g
- Stiffness
- KMS
- 0.67
- N/mm
- Compliance
- CMS
- 1500
- µm/N
- Equivalent volume to the compliance
- VAS
- 32.7
- L
- Mechanical resistance
- RMS
- 1.1
- N·s/m
- Nominal diameter
- 6
- ″
- 152
- mm
- Volume occupied by the driver (estimated)
- 0.38
- L
- Net weight
- 0.96
- kg