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Product Details

Characteristics

Filter series

American Standard
Specifications

Nominal basket diameter

5", 127mm

Nominal impedance

8 Ω

Power rating program power

250 W

Power rating watts

125 W

Resonance

87 Hz

Usable frequency range

87 Hz - 3.5 kHz

Sensitivity

89.4 dB

Gap height

0.23", 5.8 mm

Voice coil diameter

1.5", 38 mm
Thiele & Small Parameters

Resonant frequency fs

87 Hz

Dc resistance re

5

Coil inductance le

0.29

Mechanical q qms

11.81

Electromagnetic q qes

0.56

Total q qts

0.54

Compliance equivalent volume vas

6.14 liters, 0.22 cu.ft.

Peak diaphragm displacement volume vd

60.8 cc

Mechanical compliance of suspension cms

0.42 mm/N

Bl product bl

6.22

Diaphragm mass inc airload mms

8

Efficiency bandwidth product ebp

155

Maximum linear excursion xmax

5.92 mm

Surface area of cone sd

102.6 cm²
Mounting Information

Recommended enclosure volume sealed

Acceptable

Recommended enclosure volume vented

Acceptable

Driver volume displaced

1.091 cu.ft. / 30.9 liters

Overall diameter

5.87", 149.1 mm

Baffle hole diameter

4.8", 121.9 mm

Front sealing gasket

Yes

Rear sealing gasket

Yes

Mounting holes diameter

0.2", 5mm

Mounting holes b c d

5.39", 136.9mm

Depth

2.91", 73.9 mm

Net weight

3.1 lbs, 1.41 kg

Shipping weight

3.5 lbs, 1.59 kgs
Materials of Construction

Coil construction

Aluminum

Voice coil former

Polyimide

Magnet material

Ferrite

Basket material

Pressed steel

Cone composition

Water-resistant treated paper

Surround

Cloth

Dust cap composition

Water-resistant treated
cover
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