MONACOR SPH-300TC
Subwoofer
12″ / 306 mm
Nominal diameter
23 Hz
Resonance
0.24
Q factor
91 dB
Sensitivity
± 4 mm
Linear excursion
500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.2
- dB
- Frequency response
- 23 - 2000
- Hz
- Resonance frequency (free air)
- fS
- 23.0
- Hz
- Mechanical quality factor
- QMS
- 3.03
- Electrical quality factor
- QES
- 0.26
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 198
- cm³
- Power handling
- P
- 240
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 2 x 8
- Ω
- DC resistance (in series)
- RE
- 12.8
- Ω
- Inductance (1kHz, in series)
- LE
- 4.0
- mH
- VC Diameter
- 50
- mm
- Winding material
- Aluminium
- Force factor (in series)
- Bl
- 20.6
- N/A
- Motor constant
- Bl/√RE
- 5.76
- N/√W
- Diameter
- 156
- mm
- Weight
- 1.4
- kg
- Effective diameter
- 251
- mm
- Effective area
- SD
- 495
- cm²
- Moving mass
- MMS
- 68
- g
- Moving mass (without air load)
- MMD
- 60.1
- g
- Stiffness
- KMS
- 1.18
- N/mm
- Compliance
- CMS
- 850
- µm/N
- Equivalent volume to the compliance
- VAS
- 290
- L
- Mechanical resistance
- RMS
- 3.24
- N·s/m
- Nominal diameter
- 12
- ″
- 306
- mm
- Overall diameter
- 306
- mm
- Baffle cutout diameter
- 280
- mm
- Overall depth
- 140
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 129
- mm
- Volume occupied by the driver (estimated)
- 2.1
- L
- Net weight
- 4.245
- kg