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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
cover
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