P.Audio C18-1000-V3 is an 18-inch 8 ohm LF driver rated at 1200 W RMS. The validated T/S data includes Fs 41 Hz, Qts 0.72, Vas 117.6 L, Xmax 5.3 mm, sensitivity 92.3 dB, plus 643 cm³ Vd and 53 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
Fs
41Hz
Qts
0.72
Qes
0.77
Qms
11.0
Vas
117.6L
Re
5.8Ω
Le
1.12mH
Motor and cone
BL
22.9T·m
Sd
1225cm²
Mms
277g
Xmax
5.3mm
Vd †
643cm³
Voice coil
114mm
Flux density
0.90T
Power and response
Sensitivity †
92.3dB
Manufacturer sensitivity
94dB
Power
1200W
Nominal power
1200W
Impedance
8Ω
Range
40–1000Hz
EBP †
53 · Sealed or vented
Size and mounting
Diameter
466mm
Cutout
426.1mm
Depth
211.4mm
Weight
15.5kg
Other published values
Cms
0.06mm/N
Power Program
2400
Other dimensions
Mounting Depth
211.4
Mounting Diameter
446
Sensitivity shows 92.3 dB, calculated from the T/S values. P.Audio publishes 94.0 dB, 1.7 dB apart.