Precision Devices PD.188
8Ω
Subwoofer
| Nominal diameter | 18″ / 460 mm |
| Resonance | 36.2 Hz |
| Q factor | 0.26 |
| Sensitivity | 96.8 dB |
| Linear excursion | ± 6 mm |
| Program power | 1200 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.8dB
- Frequency response 40 - 3500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 36.2Hz
- Mechanical quality factor QMS 13.04
- Electrical quality factor QES 0.27
- Total quality factor QTS 0.26
Large signal parameters
- Maximum linear excursion (one way) xmax 6mm
- Air volume displaced at xmax VD 681cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.9Ω
- Inductance (1kHz) LE 1.55mH
- VC Diameter 101mm
- Winding height HVC 19mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.1T
- Force factor Bl 29.3N/A
- Motor constant Bl/√RE 12.1N/√W
- Air gap height HAG 11mm
- Material Ceramic
Diaphragm
- Effective diameter 380mm
- Effective area SD 1134cm²
- Moving mass (including air load) MMS 173g
- Moving mass MMD 145g
- Material Paper
Suspensions
- Stiffness KMS 8.97N/mm
- Compliance CMS 112µm/N
- Equivalent volume to the compliance VAS 202L
- Mechanical resistance RMS 3.02N·s/m
- Surround material Fabric
Dimensions
- Nominal diameter 18″
- 460mm
- Overall diameter 474mm
- Baffle cutout diameter 415mm
- Overall depth 187mm
- Flange thickness 13mm
- Mounting depth 174mm
- Volume occupied by the driver (estimated) 7.1L
- Net weight 14.0kg
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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