Precision Devices PD.123C001
8Ω
Woofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 35 Hz |
| Q factor | 0.14 |
| Sensitivity | 96.8 dB |
| Linear excursion | ± 7.5 mm |
| Program power | 1200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.8dB
- Frequency response 45 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 7.50
- Electrical quality factor QES 0.15
- Total quality factor QTS 0.14
Large signal parameters
- Maximum linear excursion (one way) xmax 7.5mm
- Air volume displaced at xmax VD 410cm³
- Power handling P 600W
- Program power Pmax 1200W
- Peak power Ppeak 2400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.5Ω
- Inductance (1kHz) LE 2.17mH
- VC Diameter 76.2mm
- Winding height HVC 21mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.2T
- Force factor Bl 24.5N/A
- Motor constant Bl/√RE 10.4N/√W
- Air gap height HAG 11mm
- Diameter 200mm
- Material Y30 Ferrite
Diaphragm
- Effective diameter 264mm
- Effective area SD 547cm²
- Moving mass (including air load) MMS 70g
- Moving mass MMD 60.6g
- Material Paper
Suspensions
- Stiffness KMS 3.47N/mm
- Compliance CMS 288µm/N
- Equivalent volume to the compliance VAS 122L
- Mechanical resistance RMS 2.05N·s/m
- Surround material Fabric
- Spider material Fabric
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 331mm
- Baffle cutout diameter 282mm
- Overall depth 131mm
- Flange thickness 10mm
- Mounting depth 121mm
- Volume occupied by the driver (estimated) 3.6L
- Net weight 9.7kg
- 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
MfbLabs
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