P.Audio GST-12500-V3 is a 12-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 56 Hz, Qts 0.48, Vas 52.9 L, Xmax 3.3 mm, sensitivity 94.6 dB, plus 179 cm³ Vd and 110 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
56Hz
Qts
0.48
Qes
0.51
Qms
8.3
Vas
52.9L
Re
5.5Ω
Le
0.52mH
Motor and cone
BL
15.7T·m
Sd
552cm²
Mms
66g
Xmax
3.3mm
Vd †
179cm³
Voice coil
76mm
Flux density
1.10T
Power and response
Sensitivity †
94.6dB
Manufacturer sensitivity
96dB
Power
500W
Nominal power
500W
Impedance
8Ω
Range
50–3000Hz
EBP †
110 · Leans vented
Size and mounting
Diameter
313.5mm
Cutout
283mm
Depth
142mm
Weight
15.2kg
Other published values
Cms
0.12mm/N
Power Program
1000
Other dimensions
Mounting Depth
142
Mounting Diameter
299.5
Sensitivity shows 94.6 dB, calculated from the T/S values. P.Audio publishes 96.0 dB, 1.4 dB apart.