Hertz EV 165.5
Woofer
6.5″ / 165 mm
Nominal diameter
70 Hz
Resonance
0.61
Q factor
88 dB
Sensitivity
± 3 mm
Linear excursion
210 W
Program Power
Discontinued
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.4
- dB
- Frequency response
- 60 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 70.0
- Hz
- Mechanical quality factor
- QMS
- 3.20
- Electrical quality factor
- QES
- 0.76
- Total quality factor
- QTS
- 0.61
- Maximum linear excursion
- xmax
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 42
- cm³
- Power handling
- P
- 70
- W
- Program power
- Pmax
- 210
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz)
- LE
- 0.18
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 5.0
- N/A
- Motor constant
- Bl/√RE
- 2.84
- N/√W
- Material
- High density flux ferrite
- Effective diameter
- 134
- mm
- Effective area
- SD
- 141
- cm²
- Moving mass
- MMS
- 13.7
- g
- Moving mass (without air load)
- MMD
- 12.5
- g
- Material
- Water repellent pressed paper
- Stiffness
- KMS
- 2.7
- N/mm
- Compliance
- CMS
- 370
- µm/N
- Equivalent volume to the compliance
- VAS
- 10.4
- L
- Mechanical resistance
- RMS
- 1.88
- N·s/m
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Volume occupied by the driver (estimated)
- 0.5
- L