Eighteen Sound 18iD200
Subwoofer
18″ / 462 mm
Nominal diameter
29 Hz
Resonance
0.17
Q factor
94 dB
Sensitivity
± 18 mm
Linear excursion
3600 W
Program Power
![Eighteen Sound 18iD200 Subwoofer](/18Sound/18iD200/18Sound_18iD200_(Photo_1).png)
![Eighteen Sound 18iD200 Subwoofer](/18Sound/18iD200/18Sound_18iD200_(Photo_2).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 94.4
- dB
- Frequency response
- 29 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 7.00
- Electrical quality factor
- QES
- 0.18
- Total quality factor
- QTS
- 0.17
- Maximum linear excursion
- xmax
- 18.0
- mm
- Air volume displaced at xmax
- VD
- 2205
- cm³
- Power handling
- P
- 1800
- W
- Program power
- Pmax
- 3600
- W
- Nominal impedance
- Z
- 2
- Ω
- DC resistance
- RE
- 1.3
- Ω
- Inductance (1kHz)
- LE
- 0.93
- mH
- VC Diameter
- 135
- mm
- Winding height
- HVC
- 45
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 24.4
- N/A
- Motor constant
- Bl/√RE
- 21.4
- N/√W
- Air gap height
- HAG
- 18
- mm
- Material
- Neodymium
- Effective diameter
- 395
- mm
- Effective area
- SD
- 1225
- cm²
- Moving mass
- MMS
- 444
- g
- Moving mass (without air load)
- MMD
- 414.3
- g
- Material
- Reinforced, water repellent
- Stiffness
- KMS
- 14.71
- N/mm
- Compliance
- CMS
- 68
- µm/N
- Equivalent volume to the compliance
- VAS
- 136
- L
- Mechanical resistance
- RMS
- 11.56
- N·s/m
- Spider material
- Double Silicon
- Nominal diameter
- 18
- ″
- 462
- mm
- Overall diameter
- 462
- mm
- Baffle cutout diameter
- 417
- mm
- Overall depth
- 238
- mm
- Flange thickness
- 24
- mm
- Mounting depth
- 214
- mm
- Volume occupied by the driver (estimated)
- 8.9
- L
- Net weight
- 16.0
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Eighteen Sound 18iD200 Impedance](/18Sound/18iD200/18Sound_18iD200_(Impedance).png)
![Eighteen Sound 18iD200 SPL](/18Sound/18iD200/18Sound_18iD200_(Frequency_response).png)
![Eighteen Sound 18iD200 Dimensions](/18Sound/18iD200/18Sound_18iD200_(Dimensions).jpg)
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)