Infinity Compositions Series, Overture 1 Service Manual
Compositions Series
Overture 1
Powered Loudspeakers
Service Manual
Infinity Systems, Inc
250 Crossways Park Dr.
Woodbury, New York 11797
REV 0 12/00
Overture 1
2
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
SERVICE BULLETIN INF9704 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
SERVICE BULLETIN INF9705 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
OVERTURE 1 TECH TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
TEST SET UP AND PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
DISSASSEMBLY PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
PCB DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
ELECTRICAL PARTS LIST (120V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
ELECTRICAL PARTS LIST (230V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
WIRING DIAGRAM/CROSSOVER NETWORK SCHEMATIC . . . . . . . . . . . . . . . . . .27
120V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
230V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Overture 1
3
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
4
Overture 1
5
Wiring The System
Overture 1
6
Operating The System
Overture 1
7
Replacing The Fuse
Overture 1
8
Care Of Your Speaker System/Troubleshooting
Overture 1
9
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
10
Exploded View
INFINIT Y SYSTEMS, I NC . P R OP R I E T A RY
This document contains confidential
and proprietary information that is
the property of Infinity Systems, Inc.
and may not be disclosed to or
duplicated for others except as authorized
by Infinity Systems, Inc.
1
4
5
6
9
15 2 PL
8
20
11 2PL
11
7
4 PL
8 PL
12 2 PL
13
14
16 2 PL
6 PL
17
6 PL
2
18
4 PL
19
00395
SEE REAR
VIEW
BELOW
REAR VIEW
(AMP-WFR)
(AMP-XVR)
3
21
26
22
25
23
24
(2 PCS)
Loading...