Down4Sound DBz12D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 316 mm |
| Resonance | 39.7 Hz |
| Q factor | 0.45 |
| Sensitivity | 87.1 dB |
| Linear excursion | ± 28 mm |
| Program Power | 2600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39.7Hz
- Mechanical quality factor QMS 2.43
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.45
Large signal parameters
- Maximum linear excursion (one way) xmax 28mm
- Air volume displaced at xmax VD 1655cm³
- Power handling P 1300W
- Program power Pmax 2600W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.1Ω
- Inductance (1kHz, in series, estimated) LE 6.62mH
- VC Diameter 69.9mm
Magnet
- Force factor (in series) Bl 30.8N/A
- Motor constant Bl/√RE 12.5N/√W
- Diameter 283mm
Diaphragm
- Effective diameter 274mm
- Effective area SD 591cm²
- Moving mass MMS 350g
- Moving mass (without air load) MMD 340g
Suspensions
- Stiffness KMS 21.8N/mm
- Compliance CMS 45.9µm/N
- Equivalent volume to the compliance VAS 18.4L
- Mechanical resistance RMS 0.779N·s/m
Dimensions
- Nominal diameter 12″
- 316mm
- Overall diameter 316mm
- Baffle cutout diameter 286mm
- Mounting depth 195mm
- Volume occupied by the driver 4.25L
- Net weight 14.878kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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