Precision Devices PD.1845-1N
8Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 34.1 Hz |
| Q factor | 0.32 |
| Sensitivity | 94.6 dB |
| Linear excursion | ± 16 mm |
| Program Power | 3000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
- Frequency response 30 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34.1Hz
- Mechanical quality factor QMS 10.96
- Electrical quality factor QES 0.33
- Total quality factor QTS 0.32
Large signal parameters
- Maximum linear excursion xmax 16mm
- Air volume displaced at xmax VD 1853cm³
- Power handling P 1500W
- Program power Pmax 3000W
- Peak power Ppeak 6000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 4.7Ω
- Inductance (1kHz) LE 1.58mH
- VC Diameter 114.3mm
- Winding height HVC 37mm
- Winding material Copper Clad Aluminium
- Former material Glass Fibre
Magnet
- Flux density B 0.92T
- Force factor Bl 26.4N/A
- Motor constant Bl/√RE 12.2N/√W
- Air gap height HAG 15mm
- Diameter 150mm
- Material Neodymium
Diaphragm
- Effective diameter 384mm
- Effective area SD 1158cm²
- Moving mass MMS 231g
- Moving mass (without air load) MMD 203g
- Material Paper
Suspensions
- Stiffness KMS 10.6N/mm
- Compliance CMS 94µm/N
- Equivalent volume to the compliance VAS 179L
- Mechanical resistance RMS 4.52N·s/m
- Surround material M Roll Poly Cotton
- Spider material Poly Cotton
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 474mm
- Baffle cutout diameter 415mm
- Overall depth 215mm
- Flange thickness 15mm
- Mounting depth 200mm
- Volume occupied by the driver (estimated) 6.6L
- Net weight 10.9kg
- 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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