SPECIFICATION

Nominal Basket Diameter

15", 381 mm

Nominal Impedance*

16 Ω

Power Rating*

Program Power

800 W

Watts

400 W

Resonance

45 Hz

Usable Frequency Range

64 Hz - 4 kHz

Sensitivity*

100 dB

Magnet Weight

56 oz.

Gap Height

0.375", 9.5 mm

Voice Coil Diameter

2.5", 64 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)

45 Hz

DC Resistance (Re)

11.3 Ω

Coil Inductance (Le)

1.35m H

Mechanical Q (Qms)

6.54

Electromagnetic Q (Qes)

0.67

Total Q (Qts)

0.61

Compliance Equivalent Volume (Vas)

204 liters / 7.2 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

137 cc

Mechanical Compliance of Suspension (Cms)

0.19 mm/N

BL Product (BL)

17.6 T-M

Diaphragm Mass Inc. Airload (MMs)

64 grams

Efficiency Bandwidth Product (EBP)

68

Maximum Linear Excursion (Xmax)

1.6 mm

Surface Area of Cone (Sd)

856.3 cm2

Maximum Mechanical Limit (Xlim)

11.1 mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

31-42.5 liters / 1.09-1.5 cu.ft.

Vented

81.8-87.8 liters / 2.89-3.1 cu.ft.

Driver Volume Displaced

0.128 cu.ft. / 3.62 liters

Overall Diameter

15.15", 384.8 mm

Baffle Hole Diameter

13.87", 352.3 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

Yes

Mounting Holes Diameter

0.25", 6.4mm

Mounting Holes B.C.D.

14.56", 369.8mm

Depth

6.05", 153.7 mm

Net Weight

12.3 lbs, 5.58 kg

Shipping Weight

14.3 lbs, 6.49 kgs

MATERIALS OF CONSTRUCTION

Coil Construction

Copper voice coil

Coil Former

Polyimide former

Magnet Composition

Ferrite magnet

Core Details

Vented core

Basket Materials

Pressed steel basket

Cone Composition

Paper cone

Cone Edge Composition

Cloth cone edge

Dust Cap Composition

Solid composition paper dust cap