Beyma 21PW1400Fe
Subwoofer
21″ / 540 mm
Nominal diameter
30 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 10 mm
Linear excursion
2800 W
Program Power
Discontinued
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.9
- dB
- Frequency response
- 25 - 1800
- Hz
- Resonance frequency (free air)
- fS
- 30.0
- Hz
- Mechanical quality factor
- QMS
- 7.40
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 10.0
- mm
- Maximum excursion before damage
- xlim
- 27.5
- mm
- Air volume displaced at xmax
- VD
- 1734
- cm³
- Power handling
- P
- 1400
- W
- Program power
- Pmax
- 2800
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.2
- Ω
- Inductance (1kHz)
- LE
- 1.3
- mH
- VC Diameter
- 100
- mm
- Winding height
- HVC
- 25
- mm
- Force factor
- Bl
- 28.2
- N/A
- Motor constant
- Bl/√RE
- 12.4
- N/√W
- Air gap height
- HAG
- 12
- mm
- Material
- Ferrite
- Effective diameter
- 470
- mm
- Effective area
- SD
- 1734
- cm²
- Moving mass
- MMS
- 298
- g
- Moving mass (without air load)
- MMD
- 248.7
- g
- Stiffness
- KMS
- 10.64
- N/mm
- Compliance
- CMS
- 94
- µm/N
- Equivalent volume to the compliance
- VAS
- 402
- L
- Mechanical resistance
- RMS
- 7.51
- N·s/m
- Nominal diameter
- 21
- ″
- 540
- mm
- Overall depth
- 79
- mm
- Volume occupied by the driver (estimated)
- 0.54
- L
- Net weight
- 19.9
- kg