Hertz DCX 570.3
2 Way
5x7″/ 127x178 mm
Nominal size
81 Hz
Resonance
0.82
Q factor
89 dB
Sensitivity
± 2 mm
Linear excursion
120 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.2
- dB
- Frequency response
- 60 - 21000
- Hz
- Resonance frequency (free air)
- fS
- 81.0
- Hz
- Mechanical quality factor
- QMS
- 4.56
- Electrical quality factor
- QES
- 1.00
- Total quality factor
- QTS
- 0.82
- Maximum linear excursion
- xmax
- 2.0
- mm
- Air volume displaced at xmax
- VD
- 29
- cm³
- Power handling
- P
- 60
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.3
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.19
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 4.3
- N/A
- Motor constant
- Bl/√RE
- 2.37
- N/√W
- Material
- High density flux ferrite
- Effective diameter
- 136
- mm
- Effective area
- SD
- 145
- cm²
- Moving mass
- MMS
- 10.8
- g
- Moving mass (without air load)
- MMD
- 9.9
- g
- Material
- Water-repellent pressed paper
- Stiffness
- KMS
- 2.78
- N/mm
- Compliance
- CMS
- 360
- µm/N
- Equivalent volume to the compliance
- VAS
- 10.7
- L
- Mechanical resistance
- RMS
- 1.21
- N·s/m
- Nominal size
- 5 x 7
- ″
- 127 x 178
- mm
- Volume occupied by the driver (estimated)
- 0.25
- L