Precision Devices PD.186/3
8Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 34.2 Hz |
| Q factor | 0.52 |
| Sensitivity | 92.9 dB |
| Linear excursion | ± 10.5 mm |
| Program Power | 1400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 92.9dB
- Frequency response 30 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34.2Hz
- Mechanical quality factor QMS 10.77
- Electrical quality factor QES 0.55
- Total quality factor QTS 0.52
Large signal parameters
- Maximum linear excursion xmax 10.5mm
- Air volume displaced at xmax VD 1191cm³
- Power handling P 700W
- Program power Pmax 1400W
- Peak power Ppeak 2800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.2Ω
- Inductance (1kHz) LE 1.95mH
- VC Diameter 127mm
- Winding height HVC 25mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 0.95T
- Force factor Bl 22.2N/A
- Motor constant Bl/√RE 8.91N/√W
- Air gap height HAG 9mm
- Diameter 220mm
- Material Ceramic
Diaphragm
- Effective diameter 380mm
- Effective area SD 1134cm²
- Moving mass MMS 204g
- Moving mass (without air load) MMD 176g
- Material Paper
Suspensions
- Stiffness KMS 9.38N/mm
- Compliance CMS 107µm/N
- Equivalent volume to the compliance VAS 192L
- Mechanical resistance RMS 4.07N·s/m
- Surround material Fabric
- Spider material Dual Fabric
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 474mm
- Baffle cutout diameter 415mm
- Overall depth 190mm
- Flange thickness 15mm
- Mounting depth 175mm
- Volume occupied by the driver (estimated) 7.6L
- Net weight 15.1kg
- Frame material vented cast aluminium
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
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Hornresp
QSpeakers
SpeakerSim
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