Image Dynamics IDQ12D2 V4
2x2Ω
2x4ΩSubwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 34 Hz |
| Q factor | 0.68 |
| Sensitivity | 86.4 dB |
| Linear excursion | ± 14.5 mm |
| Program power | 750 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.4dB
- Frequency response 35 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 34Hz
- Mechanical quality factor QMS 5.38
- Electrical quality factor QES 0.79
- Total quality factor QTS 0.68
Large signal parameters
- Maximum linear excursion (one way) xmax 14.5mm
- Air volume displaced at xmax VD 741cm³
- Power handling P 375W
- Program power Pmax 750W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.8Ω
- Inductance (1kHz, in series) LE 3.16mH
- VC Diameter 50.8mm
- Winding height HVC 38.3mm
- Winding material Aluminum
- Former material BASV
Magnet
- Force factor (in series) Bl 13.1N/A
- Motor constant Bl/√RE 6.75N/√W
- Diameter 140mm
- Height 64mm
- Material Y-35
Diaphragm
- Effective diameter 255mm
- Effective area SD 511cm²
- Moving mass (including air load) MMS 171g
- Moving mass MMD 162g
- Material Poly Mica
Suspensions
- Stiffness KMS 8.2N/mm
- Compliance CMS 122µm/N
- Equivalent volume to the compliance VAS 48.6L
- Mechanical resistance RMS 6.77N·s/m
- Surround material Santoprene
- Spider material Nomex
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 317mm
- Baffle cutout diameter 276mm
- Overall depth 150mm
- Flange thickness 3mm
- Mounting depth 147mm
- Volume occupied by the driver 2.83L
- Net weight 9.21kg
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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