Precision Devices PD.184C002
8Ω
Subwoofer
| Nominal diameter | 18″ / 457 mm |
| Resonance | 40 Hz |
| Q factor | 0.34 |
| Sensitivity | 98.3 dB |
| Linear excursion | ± 9.7 mm |
| Program Power | 1800 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 98.3dB
- Frequency response 30 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 40Hz
- Mechanical quality factor QMS 5.67
- Electrical quality factor QES 0.36
- Total quality factor QTS 0.34
Large signal parameters
- Maximum linear excursion (one way) xmax 9.7mm
- Air volume displaced at xmax VD 1117cm³
- Power handling P 900W
- Program power Pmax 1800W
- Peak power Ppeak 3600W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 1.11mH
- VC Diameter 101.6mm
- Winding height HVC 26mm
- Winding material Copper Flat Wire
- Former material Glass Fibre
Magnet
- Flux density B 1.1T
- Force factor Bl 21N/A
- Motor constant Bl/√RE 9.21N/√W
- Air gap height HAG 13mm
- Diameter 220mm
- Material Ceramic
Diaphragm
- Effective diameter 383mm
- Effective area SD 1152cm²
- Moving mass MMS 112g
- Moving mass (without air load) MMD 83.5g
- Material Fibre loaded paper
Suspensions
- Stiffness KMS 7.09N/mm
- Compliance CMS 141µm/N
- Equivalent volume to the compliance VAS 268L
- Mechanical resistance RMS 4.96N·s/m
- Surround material Poly cotton
- Spider material Poly Cotton
Dimensions
- Nominal diameter 18″
- 457mm
- Overall diameter 474mm
- Baffle cutout diameter 415mm
- Overall depth 191mm
- Flange thickness 15mm
- Mounting depth 176mm
- Volume occupied by the driver (estimated) 7.7L
- Net weight 15.5kg
- 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
MfbLabs
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