ALPHA-10A 10" American Standard Series Speaker

Nominal Basket Diameter

10", 254 mm

Nominal Impedance*

8 Ω

Power Rating*

300 W

150 W

Resonance

50 Hz

Usable Frequency Range

57 Hz - 4.5 kHz

Sensitivity*

95.6 dB

Magnet Weight

20 oz.

Gap Height

0.25", 6.4 mm

Voice Coil Diameter

1.5", 38 mm

Resonant Frequency (fs)

50 Hz

DC Resistance (Re)

5.31 Ω

Coil Inductance (Le)

0.66m H

Mechanical Q (Qms)

5.21

Electromagnetic Q (Qes)

0.66

Total Q (Qts)

0.59

Compliance Equivalent Volume (Vas)

82.2 liters / 2.9 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

114 cc

Mechanical Compliance of Suspension (Cms)

0.46 mm/N

BL Product (BL)

7.5 T-M

Diaphragm Mass Inc. Airload (MMs)

22 grams

Efficiency Bandwidth Product (EBP)

76

Maximum Linear Excursion (Xmax)

3.2 mm

Surface Area of Cone (Sd)

355.4 cm2

Maximum Mechanical Limit (Xlim)

9.1 mm

Recommended Enclosure Volume

8.5-11.3 liters / 0.3-0.4 cu.ft.

28.3-53.8 liters / 1-1.9 cu.ft.

Driver Volume Displaced

0.034 cu.ft. / 0.95 liters

Overall Diameter

10.11", 256.8 mm

Baffle Hole Diameter

9.13", 231.9 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

Yes

Mounting Holes Diameter

0.23", 5.8mm

Mounting Holes B.C.D.

9.6", 243.8mm

Depth

3.9", 99.1 mm

Net Weight

4.5 lbs, 2.04 kg

Shipping Weight

5.6 lbs, 2.54 kgs

Coil Construction

Copper voice coil

Coil Former

Polyimide former

Magnet Composition

Ferrite magnet

Core Details

Vented and extended core

Basket Materials

Pressed steel basket

Cone Composition

Paper cone

Cone Edge Composition

Cloth cone edge

Dust Cap Composition

Solid composition paper dust cap