Product Details

Characteristics
Filter series
American Standard
Specifications
Nominal basket diameter
8", 203mm
Nominal impedance
8 Ω
Power rating program power
450 W
Power rating watts
225 W
Resonance
65 Hz
Usable frequency range
78 Hz - 4.5 kHz
Sensitivity
95.1 dB
Gap height
0.312", 7.9 mm
Voice coil diameter
2", 50 mm
Thiele & Small Parameters
Resonant frequency fs
65 Hz
Dc resistance re
5.99
Coil inductance le
0.49
Mechanical q qms
4.95
Electromagnetic q qes
0.42
Total q qts
0.38
Compliance equivalent volume vas
23.3 liters, 0.82 cu.ft.
Peak diaphragm displacement volume vd
63 cc
Mechanical compliance of suspension cms
0.37 mm/N
Bl product bl
9.6
Diaphragm mass inc airload mms
16
Efficiency bandwidth product ebp
156
Maximum linear excursion xmax
3 mm
Surface area of cone sd
210 cm²
Mounting Information
Recommended enclosure volume sealed
5.7-9.9 liters, 0.2-0.35 cu.ft.
Recommended enclosure volume vented
8.5-19 liters, 0.3-0.67 cu.ft.
Driver volume displaced
0.027 cu.ft. / 0.76 liters
Overall diameter
8.24", 209.3 mm
Baffle hole diameter
7.13", 181.1 mm
Front sealing gasket
Yes
Rear sealing gasket
Yes
Mounting holes diameter
0.22", 5.6mm
Mounting holes b c d
7.75", 196.9mm
Depth
3.5", 88.9 mm
Net weight
6.6 lbs, 2.99 kg
Shipping weight
7.4 lbs, 3.36 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