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ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance

8 Ohms

• Max Amp Power

125 Watts*

• Frequency Response

60Hz – 40kHz (-3dB)

• Sensitivity

86dB (2.83v @ 1 meter)

• Crossover Frequencies

3300Hz, 24dB/octave
12000Hz, 18dB/octave

SYSTEM COMPONENTS:
• Cabinet

ES20 (Not for Sale)

• Grille Ass’y

244-050-05240-0BAE

• Low-Frequency Transducer

5" (127mm) PolyPlas

, shielded;

12PR80BAA-FW04-E

DC Resistance

5.4 Ohms, ±10%

• High-Frequency Transducer

3/4" (19mm) Titanium 
laminate dome, shielded;
79DM19AX-DT01-E

DC Resistance

2.8 Ohms, ±10%

• UHF Transducer

3/4" (19mm) Polyester-film,
shielded; 353107-001-E

DC Resistance

3.3 Ohms, ±10%

• Crossover Network 

013-7600-05299-E

AURAL SWEEP TEST SPECIFICATIONS:
• System Aural Sweep Test

6.0V Input 60Hz to 20kHz

• L.F. Aural Sweep Test

5.0V Input 60Hz to 4kHz

• H.F. Aural Sweep Test

5.0V Input 3kHz to 10kHz

• U.H.F. Aural Sweep Test

2.83V Input 10kHz to 20kHz

PHYSICAL SPECIFICATIONS:
• Dimensions 

12-1/2" x 6-7/8" x 8"

(H x W x D)

(318mm x 174mm x 203mm)

• Weight

20.6 lb/9.2kg (sold in pairs)

WARRANTY:
• Refer to Warranty Statement packed with each product.

* The maximum recommended amplifier power rating will ensure 

proper system headroom to allow for occasional peaks. We do not 
recommend sustained operation at these maximum power levels.

18

16

17

15

.250

.250

.187

.110

.205

.110

Black 300mm

Green 300mm

L.F.

U.H.F.

H.F.

C1

28

μ

F

100v

C3

3.9

μ

F

100v

C4

1.2

μ

F

100v

Black 300mm

Yellow 300mm

Orange 300mm

Black 300mm

L1

1.0mH

L3

0.6mH

L4

0.05mH

Red +

Black -

Black -

Black -

Black -

Green +

C2

33

μ

F

100v

L2

0.43mH

R2

10

Ω

10W

R1

1.5

Ω

10W

R3

5

Ω

10W

UHF Transducer

353107-001-E

High-Frequency

Transducer

79DM19AX-DT01-E

Low-Frequency

Transducer

12PR80BAA-FW04-E

Crossover Network

013-7600-05299-E

PACKAGING

WIRING DIAGRAM

ES20 SCHEMATIC

Technical Manual

ES20

ES20

4/08

Harman Consumer Group, Inc., 250 Crossways Park Drive, Woodbury, New York 11797

Release Date 2007
Discontinued Date XXXX

Legend on Page 2

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