P.Audio SD18-1700EL is an 18-inch 8 ohm LF driver rated at 1700 W RMS. The validated T/S data includes Fs 45 Hz, Qts 0.59, Vas 99.7 L, Xmax 4.8 mm, sensitivity 93.6 dB, plus 594 cm³ Vd and 71 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
45Hz
Qts
0.59
Qes
0.63
Qms
11.1
Vas
99.7L
Re
5.2Ω
Le
1.02mH
Motor and cone
BL
25.9T·m
Sd
1225cm²
Mms
308g
Xmax
4.8mm
Vd †
594cm³
Voice coil
114mm
Flux density
0.80T
Power and response
Sensitivity †
93.6dB
Manufacturer sensitivity
98dB
Power
1700W
Nominal power
1700W
Impedance
8Ω
Range
35–1000Hz
EBP †
71 · Sealed or vented
Size and mounting
Diameter
476.1mm
Cutout
428.2mm
Depth
211.3mm
Weight
14.2kg
Other published values
Cms
0.043mm/N
Power Program
3400
Other dimensions
Mounting Depth
211.3
Mounting Diameter
450
Sensitivity shows 93.6 dB, calculated from the T/S values. P.Audio publishes 98.0 dB, 4.4 dB apart.