Precision Devices PD.1850/3
8Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 33.2 Hz |
| Q factor | 0.24 |
| Sensitivity | 96.2 dB |
| Linear excursion | ± 11.1 mm |
| Program Power | 1600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
- Frequency response 35 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 33.2Hz
- Mechanical quality factor QMS 15.42
- Electrical quality factor QES 0.24
- Total quality factor QTS 0.24
Large signal parameters
- Maximum linear excursion xmax 11.1mm
- Air volume displaced at xmax VD 1286cm³
- Power handling P 800W
- Program power Pmax 1600W
- Peak power Ppeak 3200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 1.33mH
- VC Diameter 127mm
- Winding height HVC 28mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.18T
- Force factor Bl 31N/A
- Motor constant Bl/√RE 13.6N/√W
- Air gap height HAG 12mm
- Diameter 280mm
- Material Ceramic
Diaphragm
- Effective diameter 385mm
- Effective area SD 1164cm²
- Moving mass MMS 215g
- Moving mass (without air load) MMD 186g
- Material Paper
Suspensions
- Stiffness KMS 9.35N/mm
- Compliance CMS 107µm/N
- Equivalent volume to the compliance VAS 204L
- Mechanical resistance RMS 2.91N·s/m
- Surround material Fabric
- Spider material Fabric
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 474mm
- Baffle cutout diameter 415mm
- Overall depth 192mm
- Flange thickness 15mm
- Mounting depth 177mm
- Volume occupied by the driver (estimated) 10L
- Net weight 23.0kg
- Frame material Heavy-duty cast aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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