Audio System M 12 EVO2-D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 320 mm |
| Resonance | 33 Hz |
| Q factor | 0.43 |
| Sensitivity | 85.7 dB |
| Linear excursion | ± 6 mm |
| Program Power | 650 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB
- Frequency response 38 - 120Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 33Hz
- Mechanical quality factor QMS 4.01
- Electrical quality factor QES 0.49
- Total quality factor QTS 0.43
Large signal parameters
- Maximum linear excursion (one way) xmax 6mm
- Air volume displaced at xmax VD 306cm³
- Power handling P 500W
- Program power Pmax 650W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.2Ω
- Inductance (1kHz, in series, estimated) LE 3.87mH
- VC Diameter 51mm
- Former material Aluminum
Magnet
- Force factor (in series) Bl 13.2N/A
- Motor constant Bl/√RE 4.92N/√W
- Diameter 134mm
Diaphragm
- Effective diameter 255mm
- Effective area SD 510cm²
- Moving mass MMS 120g
- Moving mass (without air load) MMD 112g
- Material KPC Paper
Suspensions
- Stiffness KMS 2.46N/mm
- Compliance CMS 407µm/N
- Equivalent volume to the compliance VAS 58.7L
- Mechanical resistance RMS 6.2N·s/m
- Surround material Elasthan
- Spider material PPTA Connex
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 320mm
- Baffle cutout diameter 278mm
- Overall depth 149mm
- Flange thickness 17mm
- Mounting depth 132mm
- Volume occupied by the driver (estimated) 2.3L
- Net weight 4.4kg
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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