Infinity Overture 2 Manuel utilisateur

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Compositions Series

Overture 2

Powered Loudspeakers

Service Manual

Infinity Systems, Inc

250 Crossways Park Dr.

Woodbury, New York 797

Rev1 5/2004

TABLE OF CONTENTS

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . ……. . . . .3

DETAILED SPECIFICATIONS . . . . . . . . . . . . . .. . . . . . . . . . …… . . . . .4

WIRING THE SYSTEM . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . …….. . . . .5

OPERATING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . ……. . . . .6

REPLACING THE FUSE . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . . ……. . . .7

CARE OF YOUR SPEAKER SYSTEM/TROUBLESHOOTING . ….…. .10

MECHANICAL/PACKAGING PARTS LIST . . . ……….……………... . . .11

EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . …………... . . . . . . .12

PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ……. . . . . . . . . .13

SERVICE BULLETIN INF9704 NOV. 1997 …………………………….....14

SERVICE BULLETIN INF9705 NOV. 1997 . . .. . . . . …………. . . . . . . .16

TEST SET UP AND PROCEDURE . . . . . . . . .........................................17

NOTE ON OVTR 2/3 AMPLIFIER REVISION……………………………..18

PCB DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . ……... . . . . . . . . . . . .19

ELECTRICAL PARTS LIST (120V) . . . . . .. . . . . . . …………………. . . .21

ELECTRICAL PARTS LIST (230V) . . . . . . . . . . . . . . . . …... . . . . . . . . .24

INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . ……. . . . . . . . . .27

WIRING DIAGRAM/CROSSOVER NETWORK SCHEMATIC (120V) . . .28

WIRING DIAGRAM/CROSSOVER NETWORK SCHEMATIC (230V) . . .29

120V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . … . . . .30

230V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . .. . . . …….. . . . . . . . .33

Infinity continually strives to update and improve existing products, as well as create new ones. The

specifications and construction details in this and related Infinity publications are therefore subject to

change without notice.

Overture 2

2

Overture 2

3

Specifications

Frequency Response: 30Hz - 20,000Hz (±3dB)

Recommended Amplifier Power Range 10-150 watts

Amplifier Peak Output: 300VA

Maximum Output: 112 dB SPL

Sensitivity: 93dB 2.83V @ 1 meter

Nominal Impedance: 8Ω

Crossover Frequencies: 350 and 3,000Hz

Low-Frequency Driver: (2) 6 1/2” (165MM) high-efficiency,

dynamically-balanced, magnetically

shielded woofers.

Mid-Bass Driver: (2) 5 1/4” (125mm) high-efficiency,

magnetically shielded midrange drivers

High-Frequency Driver: 1” (25mm) soft dome, high-efficiency,

neodymium magnet, magnetically

shielded tweeter

Dimensions (H x W x D): 38-3/4” x 6-7/8" x 15-3/4"

(984mm x 175mm x 400mm)

Weight: 47 lb./(21.4 kg) Each

Power Consumption: 150 watts (Maximum)

* 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.

Detailed Specifications

Overture 2

4

Overture 2

5

Wiring The System

Overture 2

6

Operating The System

Overture 2

7

Replacing The F se

Overture 2

8

Replacing The F se (Cont.)

Overture 2

9

Replacing The F se (Cont.)

UTILSER UN FUSIBLE DE

RECHANGE DE MEME TYPE ET

CALIBRE

FOR CONTINUED PROTECTION AGAINST

RISK OF FIRE,REPLACE ONLY WITH SAME

TYPE OF FUSE: T1.6A 250V

CAUTION: ATTENTION:

POWER FUSE

T 1.6A 250V ~ 230V 50Hz

150W MAX

00435

F

U

S

E

F

U

S

E

FUSE T3, 1.6A

250V

OVTR 2 & 3 FUSE

Overture 2

0

Care of Yo r Speaker System/Tro bleshooting