JBL ES20 User Manual

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 to10kHz
• 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
28μF
100v
C3
3.9μF
100v
C4
1.2μF
100v
Black 300mm
Yellow 300mm
Orange 300mm
Black 300mm
L1
1.0mH
L3
0.6mH
L4
0.05mH
Red +
Black -
Black -
Orange +
Black -
Black -
Green +
Yellow +
C2
33μF
100v
L2
0.43mH
R2
10Ω
10W
R1
1.5Ω
10W
R3
5Ω
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

JBL ES20 Specifications

Frequency and Sensitivity

frequency response	65Hz – 40kHz
sensitivity	86dB

Power

max recommended amplifier power	125W
power handling continuous	60W
power handling peak	240W

Impedance and Crossover

nominal impedance	8 Ohms
crossover frequencies	3300Hz – 24dB/octave; 12000Hz – 18dB/octave

Transducers

low-frequency transducer	130mm (5") PolyPlas, shielded
high-frequency transducer	19mm (3/4") Titanium-laminate dome, shielded; EOS waveguide
ultrahigh-frequency transducer	19mm (3/4") Polyester-film, ring-radiator, shielded; EOS waveguide

Weight and Dimensions

dimensions with grille	318mm x 174mm x 203mm (12-1/2" x 6-7/8" x 8")
weight per speaker	4.6kg (10.3 lb)

Summary

Acoustic and Electrical Specifications

Nominal Impedance and Power

Details on speaker impedance and maximum amplifier power.

Frequency Response and Sensitivity

Information on the speaker's frequency range and sound pressure level.

Crossover Frequencies

Specifications for the speaker's crossover points.

System Components and Transducers

Aural and Physical Specifications

Aural Sweep Test Specifications

Physical Specifications

Wiring Diagram and Schematic

Wiring Diagram

Illustrates the external connections for transducers.

ES20 Schematic

Provides the internal schematic of the speaker's crossover network.

Exploded View and Part Identification

Exploded View Diagram

Part Number and Description