MONACOR SPX-31M
Full-range
3″ / 93 mm
Nominal diameter
110 Hz
Resonance
0.58
Q factor
87 dB
Sensitivity
± 1.1 mm
Linear excursion
40 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.8
- dB
- Frequency response
- 110 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 110
- Hz
- Mechanical quality factor
- QMS
- 3.71
- Electrical quality factor
- QES
- 0.69
- Total quality factor
- QTS
- 0.58
- Maximum linear excursion
- xmax
- 1.1
- mm
- Air volume displaced at xmax
- VD
- 3.5
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 40
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.4
- Ω
- Inductance (1kHz)
- LE
- 0.18
- mH
- VC Diameter
- 20
- mm
- Winding material
- Kapton
- Force factor
- Bl
- 3.64
- N/A
- Motor constant
- Bl/√RE
- 1.44
- N/√W
- Diameter
- 68
- mm
- Weight
- 0.119
- kg
- Effective diameter
- 64
- mm
- Effective area
- SD
- 32
- cm²
- Moving mass
- MMS
- 1.9
- g
- Moving mass (without air load)
- MMD
- 1.8
- g
- Stiffness
- KMS
- 1.09
- N/mm
- Compliance
- CMS
- 920
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.32
- L
- Mechanical resistance
- RMS
- 0.35
- N·s/m
- Nominal diameter
- 3
- ″
- 93
- mm
- Overall diameter
- 93
- mm
- Baffle cutout diameter
- 71
- mm
- Overall depth
- 55
- mm
- Flange thickness
- 2
- mm
- Mounting depth
- 53
- mm
- Volume occupied by the driver (estimated)
- 0.13
- L
- Net weight
- 0.49
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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