Product Details

Characteristics
Filter series
Neodymium
Specifications
Nominal basket diameter
12", 305mm
Nominal impedance
8 Ω
Power rating program power
500 W
Power rating watts
250 W
Resonance
53.1 Hz
Usable frequency range
49 Hz - 4.3 kHz
Sensitivity
99.6 dB
Gap height
0.275", 7 mm
Voice coil diameter
2.5", 64 mm
Thiele & Small Parameters
Resonant frequency fs
53.1 Hz
Dc resistance re
5.28
Coil inductance le
0.31
Mechanical q qms
2.94
Electromagnetic q qes
0.64
Total q qts
0.52
Compliance equivalent volume vas
67.44 liters, 2.38 cu.ft.
Peak diaphragm displacement volume vd
255 cc
Mechanical compliance of suspension cms
0.18 mm/N
Bl product bl
11.6
Diaphragm mass inc airload mms
48.58
Efficiency bandwidth product ebp
83
Maximum linear excursion xmax
4.9 mm
Surface area of cone sd
519.5 cm²
Mounting Information
Recommended enclosure volume sealed
25.49-73.62 liters, 0.9-2.6 cu.ft.
Recommended enclosure volume vented
28.32-116.1 liters, 1-4.1 cu.ft.
Driver volume displaced
0.051 cu.ft. / 1.42 liters
Overall diameter
12.38", 314.5 mm
Baffle hole diameter
11.06", 280.9 mm
Front sealing gasket
Yes
Rear sealing gasket
Yes
Mounting holes diameter
0.28", 7.1mm
Mounting holes b c d
11.62", 295.2mm
Depth
6.06", 153.9 mm
Net weight
5.1 lbs, 2.31 kg
Shipping weight
6.8 lbs, 3.08 kgs
Materials of Construction
Coil construction
Aluminum
Voice coil former
Polyimide
Magnet material
Neodymium
Basket material
Die-cast aluminum
Cone composition
Paper
Surround
Cloth
Dust cap composition
Paper