MONACOR SPX-20M
Full-range
2″ / 57 mm
Nominal diameter
157 Hz
Resonance
0.42
Q factor
84 dB
Sensitivity
± 0.5 mm
Linear excursion
30 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.8
- dB
- Frequency response
- 157 - 22000
- Hz
- Resonance frequency (free air)
- fS
- 157
- Hz
- Mechanical quality factor
- QMS
- 4.52
- Electrical quality factor
- QES
- 0.46
- Total quality factor
- QTS
- 0.42
- Maximum linear excursion
- xmax
- 0.5
- mm
- Air volume displaced at xmax
- VD
- 0.7
- cm³
- Power handling
- P
- 15
- W
- Program power
- Pmax
- 30
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.9
- Ω
- Inductance (1kHz)
- LE
- 0.13
- mH
- VC Diameter
- 25
- mm
- Winding material
- Kapton
- Force factor
- Bl
- 4.5
- N/A
- Motor constant
- Bl/√RE
- 1.71
- N/√W
- Diameter
- 39
- mm
- Effective diameter
- 41
- mm
- Effective area
- SD
- 13
- cm²
- Moving mass
- MMS
- 1.3
- g
- Moving mass (without air load)
- MMD
- 1.3
- g
- Stiffness
- KMS
- 1.32
- N/mm
- Compliance
- CMS
- 760
- µm/N
- Equivalent volume to the compliance
- VAS
- 0.2
- L
- Mechanical resistance
- RMS
- 0.28
- N·s/m
- Nominal diameter
- 2
- ″
- 57
- mm
- Overall diameter
- 57
- mm
- Baffle cutout diameter
- 52
- mm
- Overall depth
- 38
- mm
- Flange thickness
- 4
- mm
- Mounting depth
- 34
- mm
- Net weight
- 0.17
- kg