SB Acoustics SB13PFC25-4-COAX
Coaxial
5″ / 127 mm
Nominal diameter
43 Hz
Resonance
0.27
Q factor
87 dB
Sensitivity
± 4.65 mm
Linear excursion
80 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.3
- dB
- Resonance frequency (free air)
- fS
- 43.0
- Hz
- Mechanical quality factor
- QMS
- 2.26
- Electrical quality factor
- QES
- 0.30
- Total quality factor
- QTS
- 0.27
- Maximum linear excursion
- xmax
- 4.65
- mm
- Air volume displaced at xmax
- VD
- 38
- 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
- 0.3
- mH
- VC Diameter
- 25
- mm
- Winding height
- HVC
- 14.3
- mm
- Flux density
- B
- 1.1
- T
- Force factor
- Bl
- 5.1
- N/A
- Motor constant
- Bl/√RE
- 2.85
- N/√W
- Air gap height
- HAG
- 5
- mm
- Weight
- 0.36
- kg
- Effective diameter
- 102
- mm
- Effective area
- SD
- 82
- cm²
- Moving mass
- MMS
- 9.1
- g
- Moving mass (without air load)
- MMD
- 8.6
- g
- Stiffness
- KMS
- 0.66
- N/mm
- Compliance
- CMS
- 1510
- µm/N
- Equivalent volume to the compliance
- VAS
- 14.4
- L
- Mechanical resistance
- RMS
- 1.1
- N·s/m
- Nominal diameter
- 5
- ″
- 127
- mm
- Volume occupied by the driver (estimated)
- 0.37
- L
- Net weight
- 0.93
- kg