Beyma 18QLEX1600Fe 4Ω
4Ω
8ΩSubwoofer
18″ / 460 mm
Nominal diameter
31 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 13 mm
Linear excursion
3200 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.5
- dB
- Frequency response
- 30 - 1200
- Hz
- Resonance frequency (free air)
- fS
- 31.0
- Hz
- Mechanical quality factor
- QMS
- 11.60
- Electrical quality factor
- QES
- 0.25
- Total quality factor
- QTS
- 0.25
- Maximum linear excursion
- xmax
- 13.0
- mm
- Maximum excursion before damage
- xlim
- 58.0
- mm
- Air volume displaced at xmax
- VD
- 1632
- cm³
- Power handling
- P
- 1600
- W
- Program power
- Pmax
- 3200
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 2.8
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 32
- mm
- Force factor
- Bl
- 30.7
- N/A
- Motor constant
- Bl/√RE
- 16.2
- N/√W
- Air gap height
- HAG
- 15
- mm
- Effective diameter
- 400
- mm
- Effective area
- SD
- 1255
- cm²
- Moving mass
- MMS
- 336
- g
- Moving mass (without air load)
- MMD
- 305.5
- g
- Stiffness
- KMS
- 12.5
- N/mm
- Compliance
- CMS
- 80
- µm/N
- Equivalent volume to the compliance
- VAS
- 177
- L
- Mechanical resistance
- RMS
- 5.6
- N·s/m
- Nominal diameter
- 18
- ″
- 460
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 426
- mm
- Overall depth
- 233
- mm
- Volume occupied by the driver (estimated)
- 8.3
- L
- Net weight
- 14.6
- kg