Precision Devices PD.1852/2
8Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 41.9 Hz |
| Q factor | 0.33 |
| Sensitivity | 95.8 dB |
| Linear excursion | ± 12 mm |
| Program Power | 2000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.8dB
- Frequency response 35 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 41.9Hz
- Mechanical quality factor QMS 11.10
- Electrical quality factor QES 0.34
- Total quality factor QTS 0.33
Large signal parameters
- Maximum linear excursion xmax 12mm
- Air volume displaced at xmax VD 1397cm³
- Power handling P 1000W
- Program power Pmax 2000W
- Peak power Ppeak 4000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 0.9mH
- VC Diameter 127mm
- Winding height HVC 29mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.18T
- Force factor Bl 30.5N/A
- Motor constant Bl/√RE 13.4N/√W
- Air gap height HAG 12mm
- Diameter 280mm
- Material Ceramic
Diaphragm
- Effective diameter 385mm
- Effective area SD 1164cm²
- Moving mass MMS 231g
- Moving mass (without air load) MMD 202g
- Material Paper
Suspensions
- Stiffness KMS 15.9N/mm
- Compliance CMS 63µm/N
- Equivalent volume to the compliance VAS 120L
- Mechanical resistance RMS 5.48N·s/m
- Surround material HGBC
- Spider material Dual silicone
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 474mm
- Baffle cutout diameter 415mm
- Overall depth 205mm
- Flange thickness 15mm
- Mounting depth 190mm
- Volume occupied by the driver (estimated) 11L
- Net weight 25.0kg
- Frame material vented 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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