HELIX IK S12
Shallow subwoofer
12″ / 300 mm
Nominal diameter
36 Hz
Resonance
0.48
Q factor
87 dB
Sensitivity
± 8 mm
Linear excursion
600 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.8
- dB
- Resonance frequency (free air)
- fS
- 36.0
- Hz
- Mechanical quality factor
- QMS
- 5.41
- Electrical quality factor
- QES
- 0.52
- Total quality factor
- QTS
- 0.48
- Maximum linear excursion
- xmax
- 8.0
- mm
- Air volume displaced at xmax
- VD
- 418
- cm³
- Power handling
- P
- 300
- W
- Program power
- Pmax
- 600
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 3.1
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.16
- mH
- VC Diameter
- 51
- mm
- Winding height
- HVC
- 24
- mm
- Force factor (in series)
- Bl
- 17.2
- N/A
- Motor constant
- Bl/√RE
- 9.77
- N/√W
- Effective diameter
- 258
- mm
- Effective area
- SD
- 523
- cm²
- Moving mass
- MMS
- 220
- g
- Moving mass (without air load)
- MMD
- 211.4
- g
- Stiffness
- KMS
- 10.53
- N/mm
- Compliance
- CMS
- 95
- µm/N
- Equivalent volume to the compliance
- VAS
- 40
- L
- Mechanical resistance
- RMS
- 7.9
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 316
- mm
- Baffle cutout diameter
- 277
- mm
- Mounting depth
- 96
- mm
- Volume occupied by the driver (estimated)
- 2.7
- L