Hertz ECX 570.5
2 Way
5x7″/ 127x178 mm
Nominal size
77 Hz
Resonance
0.67
Q factor
89 dB
Sensitivity
± 3 mm
Linear excursion
210 W
Program Power
Discontinued
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.8
- dB
- Frequency response
- 60 - 23000
- Hz
- Resonance frequency (free air)
- fS
- 76.5
- Hz
- Mechanical quality factor
- QMS
- 3.20
- Electrical quality factor
- QES
- 0.84
- Total quality factor
- QTS
- 0.67
- Maximum linear excursion
- xmax
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 46
- cm³
- Power handling
- P
- 70
- W
- Program power
- Pmax
- 210
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.21
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 4.9
- N/A
- Motor constant
- Bl/√RE
- 2.78
- N/√W
- Material
- High density flux ferrite
- Effective diameter
- 139
- mm
- Effective area
- SD
- 152
- cm²
- Moving mass
- MMS
- 13.5
- g
- Moving mass (without air load)
- MMD
- 12.6
- g
- Material
- Water-repellent pressed paper
- Stiffness
- KMS
- 3.13
- N/mm
- Compliance
- CMS
- 320
- µm/N
- Equivalent volume to the compliance
- VAS
- 10.5
- L
- Mechanical resistance
- RMS
- 2.03
- N·s/m
- Nominal size
- 5 x 7
- ″
- 127 x 178
- mm
- Volume occupied by the driver (estimated)
- 0.25
- L