Precision Devices PD.185NR1
8Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 34 Hz |
| Q factor | 0.27 |
| Sensitivity | 95.4 dB |
| Linear excursion | ± 11.8 mm |
| Program Power | 2800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
- Frequency response 30 - 800Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34Hz
- Mechanical quality factor QMS 6.17
- Electrical quality factor QES 0.29
- Total quality factor QTS 0.27
Large signal parameters
- Maximum linear excursion xmax 11.8mm
- Air volume displaced at xmax VD 1368cm³
- Power handling P 1400W
- Program power Pmax 2800W
- Peak power Ppeak 5600W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.4Ω
- Inductance (1kHz) LE 2.49mH
- VC Diameter 127mm
- Winding height HVC 30.5mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.18T
- Force factor Bl 29.5N/A
- Motor constant Bl/√RE 12.7N/√W
- Air gap height HAG 13mm
- Diameter 168mm
- Material Neodymium
Diaphragm
- Effective diameter 385mm
- Effective area SD 1164cm²
- Moving mass MMS 216g
- Moving mass (without air load) MMD 187g
- Material Paper
Suspensions
- Stiffness KMS 10N/mm
- Compliance CMS 99.7µm/N
- Equivalent volume to the compliance VAS 102L
- Mechanical resistance RMS 7.48N·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 225mm
- Flange thickness 15mm
- Mounting depth 210mm
- Volume occupied by the driver (estimated) 7.5L
- Net weight 12.73kg
- 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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