D.A.S. Audio 18H
Low frequency
18″ / 457 mm
Nominal diameter
33 Hz
Resonance
0.28
Q factor
97 dB
Sensitivity
± 6 mm
Linear excursion
1200 W
Program Power
![D.A.S. Audio 18H Low frequency](/DAS/18H/DAS_18H_(Photo).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.7
- dB
- Frequency response
- 30 - 2000
- Hz
- Resonance frequency (free air)
- fS
- 33.0
- Hz
- Mechanical quality factor
- QMS
- 3.90
- Electrical quality factor
- QES
- 0.30
- Total quality factor
- QTS
- 0.28
- Maximum linear excursion
- xmax
- 6.0
- mm
- Maximum excursion before damage
- xlim
- 12.0
- mm
- Air volume displaced at xmax
- VD
- 698
- cm³
- Power handling
- P
- 600
- W
- Program power
- Pmax
- 1200
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.1
- Ω
- Inductance (1kHz, estimated)
- LE
- 1.72
- mH
- VC Diameter
- 102
- mm
- Winding height
- HVC
- 16
- mm
- Winding material
- Copper
- Former material
- Glass Fibre Reinforced Polymer
- Force factor
- Bl
- 24.1
- N/A
- Motor constant
- Bl/√RE
- 9.76
- N/√W
- Air gap height
- HAG
- 8
- mm
- Material
- Ferrite
- Effective diameter
- 385
- mm
- Effective area
- SD
- 1164
- cm²
- Moving mass
- MMS
- 140
- g
- Moving mass (without air load)
- MMD
- 112.1
- g
- Stiffness
- KMS
- 5.95
- N/mm
- Compliance
- CMS
- 168
- µm/N
- Equivalent volume to the compliance
- VAS
- 323
- L
- Mechanical resistance
- RMS
- 7.45
- N·s/m
- Surround material
- Polycotton
- Spider material
- Polycotton
- Nominal diameter
- 18
- ″
- 457
- mm
- Baffle cutout diameter
- 417
- mm
- Volume occupied by the driver (estimated)
- 6.9
- L
- Frame material
- Injected Aluminum
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![D.A.S. Audio 18H Impedance](/DAS/18H/DAS_18H_(Impedance).png)
![D.A.S. Audio 18H SPL](/DAS/18H/DAS_18H_(Frequency_response).png)
![D.A.S. Audio 18H Distortion](/DAS/18H/DAS_18H_(Distortion).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)