Hertz Mille MP 165.3 PRO
Woofer
6.5″ / 165 mm
Nominal diameter
70 Hz
Resonance
0.58
Q factor
88 dB
Sensitivity
± 4 mm
Linear excursion
180 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.4
- dB
- Frequency response
- 40 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 70.0
- Hz
- Mechanical quality factor
- QMS
- 4.60
- Electrical quality factor
- QES
- 0.67
- Total quality factor
- QTS
- 0.58
- Maximum linear excursion
- xmax
- 4.0
- mm
- Maximum excursion before damage
- xlim
- 7.0
- mm
- Air volume displaced at xmax
- VD
- 55
- cm³
- Power handling
- P
- 90
- W
- Program power
- Pmax
- 180
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz)
- LE
- 0.3
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 5.5
- N/A
- Motor constant
- Bl/√RE
- 3.12
- N/√W
- Diameter
- 85
- mm
- Height
- 17
- mm
- Material
- Ferrite
- Effective diameter
- 132
- mm
- Effective area
- SD
- 136
- cm²
- Moving mass
- MMS
- 14.9
- g
- Moving mass (without air load)
- MMD
- 13.7
- g
- Material
- Pressed-pulp cone with cotton fibers
- Stiffness
- KMS
- 2.78
- N/mm
- Compliance
- CMS
- 360
- µm/N
- Equivalent volume to the compliance
- VAS
- 9.5
- L
- Mechanical resistance
- RMS
- 1.42
- N·s/m
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Overall diameter
- 165
- mm
- Baffle cutout diameter
- 141
- mm
- Overall depth
- 74
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 63
- mm
- Volume occupied by the driver (estimated)
- 0.38
- L
- Net weight
- 1.07
- kg