Precision Devices PD.124NR1
8Ω
Woofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 58 Hz |
| Q factor | 0.35 |
| Sensitivity | 95.7 dB |
| Linear excursion | ± 8.5 mm |
| Program Power | 2200 W |
.png)
.png)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.7dB
- Frequency response 45 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 58Hz
- Mechanical quality factor QMS 8.20
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.35
Large signal parameters
- Maximum linear excursion xmax 8.5mm
- Air volume displaced at xmax VD 459cm³
- Power handling P 1100W
- Program power Pmax 2200W
- Peak power Ppeak 4400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.1Ω
- Inductance (1kHz) LE 2.6mH
- VC Diameter 101.6mm
- Winding height HVC 22mm
- Winding material Copper Clad Aluminium
- Former material Glass Fibre
Magnet
- Flux density B 1.25T
- Force factor Bl 19.2N/A
- Motor constant Bl/√RE 7.77N/√W
- Air gap height HAG 11mm
- Diameter 138mm
- Material Neodymium
Diaphragm
- Effective diameter 262mm
- Effective area SD 540cm²
- Moving mass MMS 60g
- Moving mass (without air load) MMD 50.7g
- Material Paper
Suspensions
- Stiffness KMS 8.4N/mm
- Compliance CMS 119µm/N
- Equivalent volume to the compliance VAS 49L
- Mechanical resistance RMS 2.67N·s/m
- Surround material M Roll Poly Cotton
- Spider material Poly Cotton / silicone damping
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 331mm
- Baffle cutout diameter 282mm
- Overall depth 156mm
- Flange thickness 10mm
- Mounting depth 146mm
- Volume occupied by the driver (estimated) 3.2L
- Net weight 7.0kg
- Frame material Vented cast aluminium
.png)
.png)
.png)
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs.jpg.webp)
.jpg.webp)
.jpg.webp)