Nominal Basket Diameter

12", 305 mm

Nominal Impedance*

8 Ω

Power Rating*

N/A

40 W

Resonance

88 Hz

Usable Frequency Range

80 Hz - 5.3 kHz

Sensitivity*

100.5 dB

Magnet Weight

38 oz.

Gap Height

0.313", 8 mm

Voice Coil Diameter

1.75", 44 mm

Resonant Frequency (fs)

88 Hz

DC Resistance (Re)

7.63 Ω

Coil Inductance (Le)

0.67m H

Mechanical Q (Qms)

16.82

Electromagnetic Q (Qes)

0.6

Total Q (Qts)

0.58

Compliance Equivalent Volume (Vas)

44.96 liters / 1.59 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

83.8 cc

Mechanical Compliance of Suspension (Cms)

0.12 mm/N

BL Product (BL)

13.8 T-M

Diaphragm Mass Inc. Airload (MMs)

27 grams

Efficiency Bandwidth Product (EBP)

146

Maximum Linear Excursion (Xmax)

1.23 mm

Surface Area of Cone (Sd)

519.5 cm2

Maximum Mechanical Limit (Xlim)

N/A

Recommended Enclosure Volume

Acceptable

Acceptable

Driver Volume Displaced

0.071 cu.ft. / 2 liters

Overall Diameter

12.17", 309.1 mm

Baffle Hole Diameter

11.13", 282.7 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

N/A

Mounting Holes Diameter

0.24", 6.1mm

Mounting Holes B.C.D.

11.75", 298.5mm

Depth

5.13", 130.2 mm

Net Weight

7.5 lbs, 3.4 kg

Shipping Weight

8.4 lbs, 3.81 kgs

Coil Construction

Copper voice coil

Coil Former

Paper former

Magnet Composition

Ferrite magnet

Core Details

Non-vented core

Basket Materials

Pressed steel basket

Cone Composition

Paper cone

Cone Edge Composition

Paper cone edge

Dust Cap Composition

Solid composition felt dust cap