SPECIFICATION

Nominal Basket Diameter

15", 381mm

Nominal Impedance*

8 ohms

Power Rating**

Watts

1000W

Music Program

2000W

Resonance

41Hz

Usable Frequency Range

44Hz - 0.8kHz

Sensitivity***

95.5dB

Magnet Weight

109 oz.

Gap Height

0.37", 9.53mm

Voice Coil Diameter

4", 101.6mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)

41Hz

DC Resistance (Re)

4.97

Coil Inductance (Le)

1.78mH

Mechanical Q (Qms)

8.8

Electromagnetic Q (Qes)

0.4

Total Q (Qts)

0.39

Compliance Equivalent Volume (Vas)

154.5 liters / 5.5 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

677cc

Mechanical Compliance of Suspension (Cms)

0.15mm/N

BL Product (BL)

17.7 T-M

Diaphragm Mass Inc. Airload (MMs)

98 grams

Efficiency Bandwidth Product (EBP)

103

Maximum Linear Excursion (Xmax)

7.9mm

Surface Area of Cone (Sd)

856.3 cm2

Maximum Mechanical Limit (Xlim)

13.5mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

N/a

Vented

82-176 liters / 2.9-6.2 cu.ft.

Driver Volume Displaced

262.8 cu.in. / 4.31 liters

Overall Diameter

15.21", 386.3mm

Baffle Hole Diameter

14", 355.6mm

Front Sealing Gasket

Fitted as standard

Rear Sealing Gasket

Fitted as standard

Mounting Holes Diameter

0.28", 7.1mm

Mounting Holes B.C.D.

14.56", 369.8mm

Depth

6.42", 163mm

Net Weight

24.7 lbs, 11.2 kg

Shipping Weight

27.1 lbs, 12.3 kgs

MATERIALS OF CONSTRUCTION

Coil Construction

Copper voice coil

Coil Former

Polyimide former

Magnet Composition

Ferrite magnet

Core Details

Extended core with Core Periphery Ventilation

Basket Materials

Die-cast aluminum basket

Cone Composition

Paper Cone

Cone Edge Composition

Cloth cone edge

Dust Cap Composition

Porous cloth top spider/ heatsink

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