Image Dynamics ID12D4 V4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 311 mm |
| Resonance | 45 Hz |
| Q factor | 0.79 |
| Sensitivity | 85.7 dB |
| Linear excursion | ± 14 mm |
| Program power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB
- Frequency response 45 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 45Hz
- Mechanical quality factor QMS 5.58
- Electrical quality factor QES 0.70
- Total quality factor QTS 0.79
Large signal parameters
- Maximum linear excursion (one way) xmax 14mm
- Air volume displaced at xmax VD 694cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.6Ω
- Inductance (1kHz, in series) LE 0.8mH
- VC Diameter 50.8mm
- Winding height HVC 35.9mm
- Winding material Copper
- Former material BASV
Magnet
- Force factor (in series) Bl 21.2N/A
- Motor constant Bl/√RE 5.45N/√W
- Air gap height HAG 8mm
- Diameter 142mm
- Height 76mm
- Weight 3.6kg
Diaphragm
- Effective diameter 252mm
- Effective area SD 498cm²
- Moving mass (including air load) MMS 192g
- Moving mass MMD 184g
- Material Poly/Mica
Suspensions
- Stiffness KMS 15.6N/mm
- Compliance CMS 64.1µm/N
- Equivalent volume to the compliance VAS 24.9L
- Mechanical resistance RMS 9.74N·s/m
- Surround material Santoprene
- Spider material Hybrid Progressive
Dimensions
- Nominal diameter 12″
- 311mm
- Overall diameter 311mm
- Baffle cutout diameter 280mm
- Mounting depth 144mm
- Volume occupied by the driver 3.45L
- Net weight 4.54kg
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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