MD Lab SW-A15
Subwoofer
15″ / 400 mm
Nominal diameter
29 Hz
Resonance
0.6
Q factor
86 dB
Sensitivity
900 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.5
- dB
- Resonance frequency (free air)
- fS
- 29.3
- Hz
- Mechanical quality factor
- QMS
- 3.17
- Electrical quality factor
- QES
- 0.74
- Total quality factor
- QTS
- 0.60
- Power handling
- P
- 450
- W
- Program power
- Pmax
- 900
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.8
- Ω
- Inductance (1kHz, estimated)
- LE
- 1.61
- mH
- Force factor
- Bl
- 11.0
- N/A
- Motor constant
- Bl/√RE
- 5.64
- N/√W
- Effective diameter
- 320
- mm
- Effective area
- SD
- 805
- cm²
- Moving mass
- MMS
- 268.4
- g
- Moving mass (without air load)
- MMD
- 251.7
- g
- Stiffness
- KMS
- 9.09
- N/mm
- Compliance
- CMS
- 110
- µm/N
- Equivalent volume to the compliance
- VAS
- 101
- L
- Mechanical resistance
- RMS
- 15.58
- N·s/m
- Nominal diameter
- 15
- ″
- 400
- mm
- Overall diameter
- 400
- mm
- Baffle cutout diameter
- 362
- mm
- Overall depth
- 270
- mm
- Flange thickness
- 35
- mm
- Mounting depth
- 235
- mm
- Volume occupied by the driver (estimated)
- 7.9
- L
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