Precision Devices PD.186/2
Subwoofer
18″ / 460 mm
Nominal diameter
34 Hz
Resonance
0.52
Q factor
93 dB
Sensitivity
± 10.5 mm
Linear excursion
1400 W
Program Power
![Precision Devices PD.186/2 Subwoofer](/PrecisionDevices/PD.186-2/PrecisionDevices_PD.186-2_(Photo_1).jpg)
![Precision Devices PD.186/2 Subwoofer](/PrecisionDevices/PD.186-2/PrecisionDevices_PD.186-2_(Photo_2).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.9
- dB
- Frequency response
- 30 - 2000
- Hz
- Resonance frequency (free air)
- fS
- 34.2
- Hz
- Mechanical quality factor
- QMS
- 10.77
- Electrical quality factor
- QES
- 0.55
- Total quality factor
- QTS
- 0.52
- Maximum linear excursion
- xmax
- 10.5
- mm
- Air volume displaced at xmax
- VD
- 1191
- cm³
- Power handling
- P
- 700
- W
- Program power
- Pmax
- 1400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.2
- Ω
- Inductance (1kHz)
- LE
- 1.95
- mH
- VC Diameter
- 127
- mm
- Winding height
- HVC
- 25
- mm
- Winding material
- Copper
- Former material
- Glass Fibre
- Flux density
- B
- 0.95
- T
- Force factor
- Bl
- 22.18
- N/A
- Motor constant
- Bl/√RE
- 8.91
- N/√W
- Air gap height
- HAG
- 9
- mm
- Material
- Ceramic
- Effective diameter
- 380
- mm
- Effective area
- SD
- 1134
- cm²
- Moving mass
- MMS
- 203.9
- g
- Moving mass (without air load)
- MMD
- 175.9
- g
- Material
- Paper
- Stiffness
- KMS
- 9.38
- N/mm
- Compliance
- CMS
- 107
- µm/N
- Equivalent volume to the compliance
- VAS
- 192
- L
- Mechanical resistance
- RMS
- 4.07
- N·s/m
- Surround material
- Fabric
- Nominal diameter
- 18
- ″
- 460
- mm
- Overall diameter
- 474
- mm
- Baffle cutout diameter
- 415
- mm
- Overall depth
- 188
- mm
- Flange thickness
- 15
- mm
- Mounting depth
- 173
- mm
- Volume occupied by the driver (estimated)
- 7.4
- L
- Net weight
- 14.9
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Precision Devices PD.186/2 SPL & Impedance](/PrecisionDevices/PD.186-2/PrecisionDevices_PD.186-2_(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)