Hertz CPX 165 PRO
4Ω
2 Way
Nominal diameter | 6.5″ / 165 mm |
Resonance | 60 Hz |
Q factor | 0.55 |
Sensitivity | 87.7 dB |
Linear excursion | ± 3.9 mm |
Program Power | 285 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB
- Frequency response 45 - 22000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 60Hz
- Mechanical quality factor QMS 4.10
- Electrical quality factor QES 0.64
- Total quality factor QTS 0.55
Large signal parameters
- Maximum linear excursion xmax 3.9mm
- Air volume displaced at xmax VD 52cm³
- Power handling P 95W
- Program power Pmax 285W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.3Ω
- Inductance (1kHz) LE 0.29mH
- VC Diameter 25mm
Magnet
- Force factor Bl 5.3N/A
- Motor constant Bl/√RE 2.92N/√W
- Material High density flux ferrite
Diaphragm
- Effective diameter 132mm
- Effective area SD 133cm²
- Moving mass MMS 14.6g
- Moving mass (without air load) MMD 13.5g
- Material Pressed-paper cone
Suspensions
- Stiffness KMS 2.13N/mm
- Compliance CMS 470µm/N
- Equivalent volume to the compliance VAS 11.8L
- Mechanical resistance RMS 1.34N·s/m
Dimensions
- Nominal diameter 6.5″
- 165mm
- Volume occupied by the driver (estimated) 0.5L
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