MONACOR SP-90
Woofer
8″ / 205 mm
Nominal diameter
45 Hz
Resonance
0.57
Q factor
89 dB
Sensitivity
± 2 mm
Linear excursion
70 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.3
- dB
- Frequency response
- 45 - 8000
- Hz
- Resonance frequency (free air)
- fS
- 45.0
- Hz
- Mechanical quality factor
- QMS
- 3.36
- Electrical quality factor
- QES
- 0.68
- Total quality factor
- QTS
- 0.57
- Maximum linear excursion
- xmax
- 2.0
- mm
- Air volume displaced at xmax
- VD
- 42
- cm³
- Power handling
- P
- 35
- W
- Program power
- Pmax
- 70
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.5
- Ω
- Inductance (1kHz)
- LE
- 0.5
- mH
- VC Diameter
- 25
- mm
- Winding material
- Aluminium
- Force factor
- Bl
- 6.8
- N/A
- Motor constant
- Bl/√RE
- 2.67
- N/√W
- Diameter
- 100
- mm
- Weight
- 0.38
- kg
- Effective diameter
- 164
- mm
- Effective area
- SD
- 210
- cm²
- Moving mass
- MMS
- 17
- g
- Moving mass (without air load)
- MMD
- 14.8
- g
- Stiffness
- KMS
- 1.25
- N/mm
- Compliance
- CMS
- 800
- µm/N
- Equivalent volume to the compliance
- VAS
- 42
- L
- Mechanical resistance
- RMS
- 1.43
- N·s/m
- Nominal diameter
- 8
- ″
- 205
- mm
- Overall diameter
- 205
- mm
- Baffle cutout diameter
- 185
- mm
- Overall depth
- 90
- mm
- Flange thickness
- 9
- mm
- Mounting depth
- 81
- mm
- Volume occupied by the driver (estimated)
- 0.54
- L
- Net weight
- 1.223
- kg