Eminence DELTA 12B 12" 16 Ohms 800 Watt American Standard Series Speaker

Overview

Recommended for professional audio as a mid-bass or woofer (with high-pass filter) in vented enclosures.

Specifications

Nominal Basket Diameter

12", 305 mm

Nominal Impedance*

16 Ω

Power Rating*

Program Power

800 W

Watts

400 W

Resonance

58 Hz

Usable Frequency Range

65 Hz - 5 kHz

Sensitivity*

98.3 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)

58 Hz

DC Resistance (Re)

11.4 Ω

Coil Inductance (Le)

0.77m H

Mechanical Q (Qms)

7.04

Electromagnetic Q (Qes)

0.52

Total Q (Qts)

0.48

Compliance Equivalent Volume (Vas)

87 liters / 3.07 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

140 cc

Mechanical Compliance of Suspension (Cms)

0.23 mm/N

BL Product (BL)

16 T-M

Diaphragm Mass Inc. Airload (MMs)

32 grams

Efficiency Bandwidth Product (EBP)

112

Maximum Linear Excursion (Xmax)

2.7 mm

Surface Area of Cone (Sd)

519.5 cm2

Maximum Mechanical Limit (Xlim)

9 mm

MOUNTING INFORMATION

Recommended Enclosure Volume

Sealed

15.6-18.4 liters / 0.55-0.65 cu.ft.

Vented

34-68 liters / 1.2-2.4 cu.ft.

Driver Volume Displaced

0.079 cu.ft. / 2.25 liters

Overall Diameter

12.03", 305.6 mm

Baffle Hole Diameter

11.07", 281.2 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

Yes

Mounting Holes Diameter

0.25", 6.4mm

Mounting Holes B.C.D.

11.59", 294.4mm

Depth

5.35", 135.9 mm

Net Weight

11.4 lbs, 5.17 kg

Shipping Weight

13.5 lbs, 6.12 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 felt dust cap

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