Image Dynamics IDQ12D4 V4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 317 mm |
| Resonance | 35 Hz |
| Q factor | 0.74 |
| Sensitivity | 86 dB |
| Linear excursion | ± 14.5 mm |
| Program power | 750 W |
.webp)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB
- Frequency response 35 - 500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 5.01
- Electrical quality factor QES 0.87
- Total quality factor QTS 0.74
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 4Ω
- DC resistance (in series) RE 5.4Ω
- Inductance (1kHz, in series) LE 2.4mH
- VC Diameter 50.8mm
- Winding height HVC 38.3mm
- Winding material Aluminum
- Former material BASV
Magnet
- Force factor (in series) Bl 15N/A
- Motor constant Bl/√RE 6.44N/√W
- Diameter 140mm
- Weight 7.938kg
Diaphragm
- Effective diameter 255mm
- Effective area SD 511cm²
- Moving mass (including air load) MMS 163g
- Moving mass MMD 155g
- Material Poly Mica
Suspensions
- Stiffness KMS 7.81N/mm
- Compliance CMS 128µm/N
- Equivalent volume to the compliance VAS 47.2L
- Mechanical resistance RMS 7.17N·s/m
- Surround material Santoprene
- Spider material Nomex
Dimensions
- Nominal diameter 12″
- 317mm
- 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 9.208kg
Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Amplion.jpg.webp)
.webp.webp)
.webp.webp)