Product Details

Characteristics
Filter series
American Standard
Specifications
Nominal basket diameter
12", 305mm
Nominal impedance
8 Ω
Power rating program power
900 W
Power rating watts
450 W
Resonance
45 Hz
Usable frequency range
62 Hz - 4.2 kHz
Sensitivity
99.3 dB
Gap height
0.375", 9.5 mm
Voice coil diameter
3", 76 mm
Thiele & Small Parameters
Resonant frequency fs
45 Hz
Dc resistance re
5.41
Coil inductance le
0.77
Mechanical q qms
7.76
Electromagnetic q qes
0.28
Total q qts
0.27
Compliance equivalent volume vas
112.1 liters, 3.96 cu.ft.
Peak diaphragm displacement volume vd
166 cc
Mechanical compliance of suspension cms
0.3 mm/N
Bl product bl
15.2
Diaphragm mass inc airload mms
42
Efficiency bandwidth product ebp
161
Maximum linear excursion xmax
3.2 mm
Surface area of cone sd
519.5 cm²
Mounting Information
Recommended enclosure volume vented
34-62 liters, 1.2-2.2 cu.ft.
Driver volume displaced
0.090 cu.ft. / 2.55 liters
Overall diameter
12.26", 311.4 mm
Baffle hole diameter
11", 279.4 mm
Front sealing gasket
Yes
Rear sealing gasket
Yes
Mounting holes diameter
0.25", 6.4mm
Mounting holes b c d
11.71", 297.4mm
Depth
5.63", 143 mm
Net weight
14.9 lbs, 6.76 kg
Shipping weight
17.9 lbs, 8.12 kgs
Materials of Construction
Coil construction
Aluminum
Voice coil former
Polyimide
Magnet material
Ferrite
Basket material
Pressed steel
Cone composition
Paper
Surround
Cloth
Dust cap composition
Paper