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ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance

8 Ohms

• Max Amp Power

225 Watts*

• Frequency Response

36Hz – 40kHz (-3dB)

• Sensitivity

91dB (2.83V @ 1 meter)

• Crossover Frequencies

500Hz, 3000Hz, 24dB/octave
12000Hz, 18dB/octave

SYSTEM COMPONENTS:

• Cabinet

ES90 (Not for Sale)

• Grille Ass’y

244-080-05275-0BAE

• Low-Frequency Transducer

Dual 8" (203mm) PolyPlas

,

shielded; 20PR10DX-HW01-E

DC Resistance

10.2 Ohms, ±10%

• Midrange Transducer

4" (101mm) PolyPlas, 
shielded; 10PR75AX-HW01-E

DC Resistance

4.4 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 

013-7600-05364-E

AURAL SWEEP TEST SPECIFICATIONS:

• System Aural Sweep Test

6.0V Input 35Hz to 20kHz

• L.F. Aural Sweep Test

5.0V Input 35Hz to 1kHz

• M.F. Aural Sweep Test

5.0V Input 500Hz to 4kHz

• H.F. Aural Sweep Test

5.0V Input 2kHz to 10kHz

• U.H.F. Aural Sweep Test

2.83V Input 10kHz to 20kHz

PHYSICAL SPECIFICATIONS:

• Dimensions 

42-11/16" x 10-1/4" x 15-1/8"

(H x W x D)

(1084mm x 260mm x 384mm)

• Weight

53.4 lb/24.2kg (each) 

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.

28

26

27

24

25

.250

.205

.187

.250

.110

.110

.205

.110

Black 510mm

Green 510mm

.250

.205

L.F.

U.H.F.

H.F.

M.F.

C1

100

μ

F

100v

C3

11

μ

F

100v

C5

1.0

μ

F

100v

Black 585mm

Yellow 585mm

Orange 635mm

Black 635mm

White 560mm

Black 560mm

L1

3.3mH

L4

0.2mH

L5

0.10mH

Black -

Black -

Red +

White -

Red +

Black -

Green +

Black-

R3

1

Ω

10W

R1

1.8

Ω

10W

UHF TRANSDUCER

353107-001-E

HIGH-FREQUENCY

TRANSDUCER

79DM19AX-DT01-E

LOW-FREQUENCY

TRANSDUCER

20PR10DX-HW01-E

CROSSOVER NETWORK

013-7600-05364-E

White +

Black -

MIDRANGE

TRANSDUCER

10PR75AX-HW01-E

H.F. INPUT

L.F. INPUT

C6

3.4

μ

F

100v

C2

24

μ

F

100v

L2

1.0mH

L3

2.5mH

C4

6.8

μ

F

100v

R2

3

Ω

10W

Black -

Green +

PACKAGING

WIRING DIAGRAM

ES90 SCHEMATIC

Technical Manual

ES90

ES90

4/09

Harman Consumer Group, Inc., 8500 Balboa Blvd., Northridge, CA 91329

Release Date 2007
Discontinued Date xxxx

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