Kartesian Lom120_vPA
Mid Bass
4.5″ / 120 mm
Nominal diameter
120 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 2.5 mm
Linear excursion
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.7
- dB
- Frequency response
- 100 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 120
- Hz
- Mechanical quality factor
- QMS
- 7.12
- Electrical quality factor
- QES
- 0.41
- Total quality factor
- QTS
- 0.39
- Maximum linear excursion
- xmax
- 2.5
- mm
- Air volume displaced at xmax
- VD
- 14
- cm³
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.3
- Ω
- Inductance (1kHz)
- LE
- 0.39
- mH
- Force factor
- Bl
- 8.7
- N/A
- Motor constant
- Bl/√RE
- 3.47
- N/√W
- Diameter
- 55
- mm
- Height
- 27
- mm
- Effective diameter
- 84
- mm
- Effective area
- SD
- 55
- cm²
- Moving mass
- MMS
- 6.5
- g
- Moving mass (without air load)
- MMD
- 6.2
- g
- Stiffness
- KMS
- 3.7
- N/mm
- Compliance
- CMS
- 270
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.17
- L
- Mechanical resistance
- RMS
- 0.69
- N·s/m
- Nominal diameter
- 4.5
- ″
- 120
- mm
- Overall size
- 106 x 106
- mm
- Baffle cutout diameter
- 100
- mm
- Overall depth
- 68
- mm
- Flange thickness
- 5
- mm
- Mounting depth
- 63
- mm
- Volume occupied by the driver (estimated)
- 0.21
- L
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