Product Details

Characteristics
Filter series
American Standard
Specifications
Nominal basket diameter
12", 305mm
Nominal impedance
8 Ω
Power rating program power
500 W
Power rating watts
250 W
Resonance
47 Hz
Usable frequency range
57 Hz - 4.6 kHz
Sensitivity
97.3 dB
Gap height
0.312", 7.9 mm
Voice coil diameter
2", 50 mm
Thiele & Small Parameters
Resonant frequency fs
47 Hz
Dc resistance re
5.42
Coil inductance le
0.64
Mechanical q qms
5.64
Electromagnetic q qes
0.52
Total q qts
0.48
Compliance equivalent volume vas
120.94 liters, 4.27 cu.ft.
Peak diaphragm displacement volume vd
188.6 cc
Mechanical compliance of suspension cms
0.3 mm/N
Bl product bl
10.79
Diaphragm mass inc airload mms
38
Efficiency bandwidth product ebp
90
Maximum linear excursion xmax
3.5 mm
Surface area of cone sd
538.9 cm²
Mounting Information
Recommended enclosure volume sealed
26.9-70.79 liters, 0.95-2.5 cu.ft.
Recommended enclosure volume vented
32.85-158.58 liters, 1.16-5.6 cu.ft.
Driver volume displaced
0.071 cu.ft. / 2 liters
Overall diameter
12.03", 305.6 mm
Baffle hole diameter
11.07", 281.2 mm
Front sealing gasket
Yes
Rear sealing gasket
Yes
Mounting holes diameter
0.25", 6.4mm
Mounting holes b c d
11.59", 294.4mm
Depth
4.47", 113.5 mm
Net weight
7.8 lbs, 3.54 kg
Shipping weight
10 lbs, 4.54 kgs
Materials of Construction
Coil construction
Edgewound copper
Voice coil former
Kapton
Magnet material
Ferrite
Basket material
Pressed steel
Cone composition
Paper
Surround
Cloth
Dust cap composition
Screened cloth