Radian 2218
Subwoofer
18″ / 465 mm
Nominal diameter
34 Hz
Resonance
0.52
Q factor
91 dB
Sensitivity
± 4.75 mm
Linear excursion
1500 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.3
- dB
- Frequency response
- 26 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 33.8
- Hz
- Mechanical quality factor
- QMS
- 3.16
- Electrical quality factor
- QES
- 0.63
- Total quality factor
- QTS
- 0.52
- Maximum linear excursion
- xmax
- 4.75
- mm
- Air volume displaced at xmax
- VD
- 616
- cm³
- Power handling
- P
- 750
- W
- Program power
- Pmax
- 1500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.3
- Ω
- Inductance (1kHz, estimated)
- LE
- 3.06
- mH
- VC Diameter
- 102
- mm
- Winding material
- Edgewood Aluminum
- Force factor
- Bl
- 26.8
- N/A
- Motor constant
- Bl/√RE
- 10.7
- N/√W
- Material
- Ferrite
- Effective diameter
- 406
- mm
- Effective area
- SD
- 1297
- cm²
- Moving mass
- MMS
- 335.9
- g
- Moving mass (without air load)
- MMD
- 304.2
- g
- Material
- Kevlar Reinforced Paper
- Stiffness
- KMS
- 15.15
- N/mm
- Compliance
- CMS
- 66
- µm/N
- Equivalent volume to the compliance
- VAS
- 159
- L
- Mechanical resistance
- RMS
- 22.58
- N·s/m
- Nominal diameter
- 18
- ″
- 465
- mm
- Overall diameter
- 465
- mm
- Baffle cutout diameter
- 429
- mm
- Overall depth
- 193
- mm
- Volume occupied by the driver (estimated)
- 6.4
- L
- Net weight
- 11.8
- kg
- Frame material
- Cast Aluminum
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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