Hertz HMX 6.5 LD
2 Way
6.5″ / 165 mm
Nominal diameter
65 Hz
Resonance
0.7
Q factor
88 dB
Sensitivity
± 3.65 mm
Linear excursion
150 W
Program Power
![Hertz HMX 6.5 LD 2 Way](/Hertz/HMX_6.5_LD/Hertz_HMX_6.5_LD_(Photo_1).png)
![Hertz HMX 6.5 LD 2 Way](/Hertz/HMX_6.5_LD/Hertz_HMX_6.5_LD_(Photo_2).jpg)
![Hertz HMX 6.5 LD 2 Way](/Hertz/HMX_6.5_LD/Hertz_HMX_6.5_LD_(Photo_3).jpg)
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.5
- dB
- Frequency response
- 50 - 25000
- Hz
- Resonance frequency (free air)
- fS
- 65.0
- Hz
- Mechanical quality factor
- QMS
- 11.50
- Electrical quality factor
- QES
- 0.75
- Total quality factor
- QTS
- 0.70
- Maximum linear excursion
- xmax
- 3.65
- mm
- Air volume displaced at xmax
- VD
- 45
- cm³
- Power handling
- P
- 75
- W
- Program power
- Pmax
- 150
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.5
- Ω
- Inductance (1kHz)
- LE
- 0.53
- mH
- VC Diameter
- 25
- mm
- Force factor
- Bl
- 5.2
- N/A
- Motor constant
- Bl/√RE
- 2.78
- N/√W
- Material
- High density flux ferrite
- Effective diameter
- 125
- mm
- Effective area
- SD
- 125
- cm²
- Moving mass
- MMS
- 14
- g
- Moving mass (without air load)
- MMD
- 12.9
- g
- Material
- Polypropylene with UV inhibitors
- Stiffness
- KMS
- 2.5
- N/mm
- Compliance
- CMS
- 400
- µm/N
- Equivalent volume to the compliance
- VAS
- 8.8
- L
- Mechanical resistance
- RMS
- 0.5
- N·s/m
- Nominal diameter
- 6.5
- ″
- 165
- mm
- Volume occupied by the driver (estimated)
- 0.5
- L
Available on (affiliate link)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Hertz HMX 6.5 LD SPL & Impedance](/Hertz/HMX_6.5_LD/Hertz_HMX_6.5_LD_(Frequency_response_+_Impedance).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)