ESX VX21PRO
Subwoofer
21″ / 530 mm
Nominal diameter
27 Hz
Resonance
0.58
Q factor
91 dB
Sensitivity
± 23 mm
Linear excursion
12000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.0
- dB
- Resonance frequency (free air)
- fS
- 27.4
- Hz
- Mechanical quality factor
- QMS
- 6.51
- Electrical quality factor
- QES
- 0.64
- Total quality factor
- QTS
- 0.58
- Maximum linear excursion
- xmax
- 23.0
- mm
- Maximum excursion before damage
- xlim
- 35.0
- mm
- Air volume displaced at xmax
- VD
- 3823
- cm³
- Power handling
- P
- 6000
- W
- Program power
- Pmax
- 12000
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.6
- Ω
- Inductance (1kHz, in series)
- LE
- 1.45
- mH
- VC Diameter
- 100
- mm
- Winding height
- HVC
- 80
- mm
- Former material
- BASV
- Force factor (in series)
- Bl
- 21.6
- N/A
- Motor constant
- Bl/√RE
- 11.4
- N/√W
- Diameter
- 250
- mm
- Height
- 100
- mm
- Weight
- 17.01
- kg
- Effective diameter
- 460
- mm
- Effective area
- SD
- 1662
- cm²
- Moving mass
- MMS
- 487
- g
- Moving mass (without air load)
- MMD
- 439.4
- g
- Material
- Glass-Fibre/Paper
- Stiffness
- KMS
- 14.71
- N/mm
- Compliance
- CMS
- 68
- µm/N
- Equivalent volume to the compliance
- VAS
- 266
- L
- Mechanical resistance
- RMS
- 12.88
- N·s/m
- Surround material
- High-Roll-Foam
- Spider material
- 6 layer Nomex
- Nominal diameter
- 21
- ″
- 530
- mm
- Overall diameter
- 545
- mm
- Baffle cutout diameter
- 495
- mm
- Mounting depth
- 335
- mm
- Volume occupied by the driver (estimated)
- 25.0
- L
- Net weight
- 50.4
- kg
- Frame material
- Diecast Aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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