Precision Devices PD.123C01
8Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 46 Hz |
| Q factor | 0.31 |
| Sensitivity | 94.8 dB |
| Linear excursion | ± 7 mm |
| Program Power | 800 W |
Discontinued
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
- Frequency response 45 - 3500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 46Hz
- Mechanical quality factor QMS 16.18
- Electrical quality factor QES 0.32
- Total quality factor QTS 0.31
Large signal parameters
- Maximum linear excursion xmax 7mm
- Maximum excursion before damage xlim 22mm
- Air volume displaced at xmax VD 372cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.9Ω
- Inductance (1kHz) LE 0.85mH
- VC Diameter 76mm
- Winding height HVC 19mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.1T
- Force factor Bl 19.2N/A
- Motor constant Bl/√RE 7.93N/√W
- Air gap height HAG 9mm
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 68.6g
- Moving mass (without air load) MMD 59.5g
- Material Paper
Suspensions
- Stiffness KMS 5.88N/mm
- Compliance CMS 170µm/N
- Equivalent volume to the compliance VAS 66.8L
- Mechanical resistance RMS 1.22N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 330mm
- Baffle cutout diameter 282mm
- Overall depth 127mm
- Flange thickness 10mm
- Mounting depth 117mm
- Volume occupied by the driver (estimated) 3L
- Net weight 7.9kg
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Export this driver to a simulation software:
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