SPECIFICATION

Nominal Basket Diameter

15", 381 mm

Nominal Impedance*

8 Ω

Power Rating*

Program Power

900 W

Watts

450 W

Resonance

44 Hz

Usable Frequency Range

40 Hz - 1.5 kHz

Sensitivity*

98.4 dB

Magnet Weight

11 oz.

Gap Height

0.365", 9.3 mm

Voice Coil Diameter

3", 76 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)

44 Hz

DC Resistance (Re)

5.5 Ω

Coil Inductance (Le)

0.93m H

Mechanical Q (Qms)

8.97

Electromagnetic Q (Qes)

0.48

Total Q (Qts)

0.46

Compliance Equivalent Volume (Vas)

150.9 liters / 5.33 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

846 cc

Mechanical Compliance of Suspension (Cms)

0.14 mm/N

BL Product (BL)

17 T-M

Diaphragm Mass Inc. Airload (MMs)

93 grams

Efficiency Bandwidth Product (EBP)

90

Maximum Linear Excursion (Xmax)

9.6 mm

Surface Area of Cone (Sd)

881.1 cm2

Maximum Mechanical Limit (Xlim)

17 mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

N/a

Vented

99-195 liters / 3.5-6.9 cu.ft.

Driver Volume Displaced

0.09 cu.ft. / 2.56 liters

Overall Diameter

15.32", 389.1 mm

Baffle Hole Diameter

14.03", 356.4 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

Yes

Mounting Holes Diameter

0.28", 7.1mm

Mounting Holes B.C.D.

14.56", 369.8mm

Depth

7.25", 184.2 mm

Net Weight

8.6 lbs, 3.9 kg

Shipping Weight

10.7 lbs, 4.85 kgs

MATERIALS OF CONSTRUCTION

Coil Construction

Copper voice coil

Coil Former

Kapton former

Magnet Composition

Neodymium magnet

Core Details

Vented core

Basket Materials

Die-cast aluminum basket/heatsink

Cone Composition

Treated paper cone

Cone Edge Composition

Cloth cone edge

Dust Cap Composition

Treated paper dust cap