Precision Devices PD.154/2
8Ω
Subwoofer
| Nominal diameter | 15″ / 380 mm |
| Resonance | 44.9 Hz |
| Q factor | 0.27 |
| Sensitivity | 97.5 dB |
| Linear excursion | ± 7.7 mm |
| Program Power | 1000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 97.5dB
- Frequency response 40 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 44.9Hz
- Mechanical quality factor QMS 20.44
- Electrical quality factor QES 0.27
- Total quality factor QTS 0.27
Large signal parameters
- Maximum linear excursion xmax 7.7mm
- Air volume displaced at xmax VD 699cm³
- Power handling P 500W
- Program power Pmax 1000W
- Peak power Ppeak 2000W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.5Ω
- Inductance (1kHz) LE 1.03mH
- VC Diameter 101.6mm
- Winding height HVC 22mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.1T
- Force factor Bl 29.4N/A
- Motor constant Bl/√RE 11.5N/√W
- Air gap height HAG 11mm
- Diameter 220mm
- Material Ceramic
Diaphragm
- Effective diameter 340mm
- Effective area SD 908cm²
- Moving mass MMS 127g
- Moving mass (without air load) MMD 107g
- Material Paper
Suspensions
- Stiffness KMS 10.1N/mm
- Compliance CMS 99µm/N
- Equivalent volume to the compliance VAS 115L
- Mechanical resistance RMS 1.75N·s/m
- Surround material Fabric
- Spider material Fabric
Dimensions
- Nominal diameter 15″
- 380mm
- Overall diameter 408mm
- Baffle cutout diameter 356mm
- Overall depth 165mm
- Flange thickness 11mm
- Mounting depth 154mm
- Volume occupied by the driver (estimated) 5.7L
- Net weight 13.0kg
- 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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