Precision Devices PD.185C003
Subwoofer
18″ / 457 mm
Nominal diameter
33 Hz
Resonance
0.24
Q factor
97 dB
Sensitivity
± 11 mm
Linear excursion
2000 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.7
- dB
- Frequency response
- 30 - 500
- Hz
- Resonance frequency (free air)
- fS
- 33.0
- Hz
- Mechanical quality factor
- QMS
- 10.60
- Electrical quality factor
- QES
- 0.23
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 11.0
- mm
- Air volume displaced at xmax
- VD
- 1280
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.4
- Ω
- Inductance (1kHz)
- LE
- 2.8
- mH
- VC Diameter
- 127
- mm
- Winding height
- HVC
- 28
- mm
- Winding material
- Copper
- Former material
- Glass Fibre
- Flux density
- B
- 1.25
- T
- Force factor
- Bl
- 31.5
- N/A
- Motor constant
- Bl/√RE
- 13.6
- N/√W
- Air gap height
- HAG
- 12
- mm
- Weight
- 5.7
- kg
- Material
- Ferrite Y35
- Effective diameter
- 385
- mm
- Effective area
- SD
- 1164
- cm²
- Moving mass
- MMS
- 197
- g
- Moving mass (without air load)
- MMD
- 168.3
- g
- Material
- Paper
- Stiffness
- KMS
- 8.48
- N/mm
- Compliance
- CMS
- 118
- µm/N
- Equivalent volume to the compliance
- VAS
- 224
- L
- Mechanical resistance
- RMS
- 3.85
- N·s/m
- Nominal diameter
- 18
- ″
- 457
- mm
- Overall diameter
- 473
- mm
- Baffle cutout diameter
- 415
- mm
- Overall depth
- 194
- mm
- Flange thickness
- 15
- mm
- Mounting depth
- 179
- mm
- Volume occupied by the driver (estimated)
- 9.9
- L
- Net weight
- 22.5
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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