Infinity Compositions Series Manuale utente

Compositions Series

Overture 1

Powered Loudspeakers

Service Manual

Infinity Systems, Inc

250 Crossways Park Dr.

Woodbury, New York 797

REV 0 2/00

Overture 1

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 . . . . . . . . . . . . . . . . . .8

MECHANICAL/PACKAGING PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SERVICE BULLETIN INF9704 NOV. 997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

SERVICE BULLETIN INF9705 NOV. 997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

OVERTURE TECH TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

TEST SET UP AND PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

DISSASSEMBLY PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

PCB DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

ELECTRICAL PARTS LIST ( 20V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

ELECTRICAL PARTS LIST (230V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

WIRING DIAGRAM/CROSSOVER NETWORK SCHEMATIC . . . . . . . . . . . . . . . . . .27

20V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

230V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Overture 1

Specifications

Frequency Response: 35Hz - 20,000Hz (±3dB)

Recommended Amplifier Power Range 10-100 watts*

Amplifier Peak Output: 250VA

Maximum Output: 108 dB SPL

Sensitivity: 92dB 2.83V @ 1 meter (anechoic

conditions)

Nominal Impedance: 8Ω

Crossover Frequencies: 300 and 3,000Hz

Low-Frequency Driver: 8” (203MM) high-efficiency, ultralinear,

long-throw, magnetically shielded

woofer.

Mid-Bass Driver: (2) 4” (101mm) 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): 12-1/2"H x 5-3/4"W x 12-1/2"D

(318mm x 146mm x 318mm)

Weight: 28.5 lb (13.0 kg) Each

Power Consumption: 150 watts (Maximum)

7 watts (Standby)

* 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 1

Wiring The System

Overture 1

Operating The System

Overture 1

Replacing The F se

Overture 1

Care Of Yo r Speaker System/Tro bleshooting

Overture 1

Mechanical/Packaging Parts List

1 CABINET NOT FOR SALE

2 SCREW, 8-32 x1/2 6 60673

3 1” (25mm) HIGH FREQUENCY TRANSDUCER, DCR=4.0 Ohms±10% 1 333232-001

4 WOOFER GRILLE 1 330956-001

5 MD/TWT ISOLATOR CUP 1 331914-001

6 FRONT BAFFLE 1 331181-001

7 SCREW, 6-32 x 3/8, PPHMS, CADCAD PLATED 8 10811

8 OVERTURE 1 AMPLIFIER 1 NOT FOR SALE

9 BAR 1 332091-001

11 SCREW, 6-32 x .5, MS, PPH, BLACK 6 900301-008

12 NUT, 8-32, KEP HEX, ZINC 2 907102-001

13 DACRON-1407 63991

14 WOOFER

(120v) 8” (203mm) WOOFER, DCR=14.1 Ohms±10% 1 331663-001*

(230v) 8” (203mm) WOOFER, DCR=28.0 Ohms±10% 1 333385-001

15 4” (101mm) MIDRANGE TRANSDUCER, DCR=7.3 Ohms±10% 2 330638-001

16 FOAM, MIDRANGE CUP 2 324324-001

17 GRILLE RETAINER, KIT, (4 PCS) 1 332162-001

18 GASKET, WOOFER 2 332204-001

19 WASHER, #6, FL 4 11638

20 CLAMP, WOOFER 6 332032-001

21 CROSSOVER NETWORK (120V) 1 331211-001

CROSSOVER NETWORK (230V) 1 333580-001

22 GAIN KNOB 1 146-8021

23 INPUT BINDING POST (RED) 1 331723-001

24 INPUT BINDING POST (BLACK) 1 331724-001

25 LOGO 1 332622-001

26 FRONT GRILLE 1 331185-001

PACKAGING

27 FOAM END PAD TOP AND BOTTOM 2 331213-001

28 FRONT GRILLE 1 331185-001

29 ACCESSORY KIT (See separate parts below) N/A

FOOT W/ ADHESIVE 332337-001

RUBBER FRONT FOOT 332068-001

FOOT, BUMP-ON, SQ, BLK. 1/8 X ½” 332182-001

FOOT, BUMP-ON, SQ, BLK. 1/4 X ½” 332183-001

SLOT PLUG 332067-001

FUSE 3A SLO-BLO 250V (120V) 1 331630-001

FUSE 1.6A SLO-BLOW 250V (230V) 1 333398-001

30 OUTER CARTON, (120V) 1 331212-001

OUTER CARTON, (230V) 1 333393-001

31 BAG, ZIPLOCK 1 315953-001

32 OWNER’S MANUAL (120V) 1 331214-001

OWNER’S MANUAL (230V) 1 333390-001

33 SURVEY CARD 1 330033-001

34 SAFETY SHEET 1 330100-001

Optional Center Stand 1 332518-001

Optional wall mount bracket can be obtained from:

OMNIMOUNT CO.

Model 100 WIN-1

OMNIMOUNT phone# (602) 829-8000

* 8” WOOFER (120v) part# 331663-001 represents the latest revision of low frequency transducer.

Earlier version, cast frame 8” WOOFER, part# 331284-001 is NLA.

Ref No. Description Qty Part No.

Overture 1

Exploded View

INFINITY SYSTEMS, INC.PROPRIETARY

This document contains confidential

and proprietary information thatis

the property of Infinity Systems,Inc.

and may not be disclosedtoor

duplicated for others except as authorized

by Infinity Systems,Inc.

15 2 PL

20 11 2PL

4 PL

8 PL

12 2 PL

16 2 PL

6 PL

4 PL

00395

SEE REAR

VIEW

BELOW

REAR VIEW

(AMP-WFR)

(AMP-XVR)

(2 PCS)

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