Infinity Overture 2 Service Manual
Compositions Series
Overture 2
Powered Loudspeakers
Service Manual
Infinity Systems, Inc
250 Crossways Park Dr.
Woodbury, New York 11797
Rev1 5/2004
Overture 2
TABLE OF CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . ……. . . . .3
DETAILED SPECIFIC ATI ONS . . . . . . . . . . . . . .. . . . . . . . . . …… . . . . .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 impr ov e exi sti ng pr oduc ts, as well as create new ones. The
specifications and construction details in this and related Infinity publi c ations are therefore subject to
change without notice.
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 Fuse
Overture 2
8
Replacing The Fuse (Cont.)
Overture 2
9
Replacing The Fuse (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
10
Care of Your Speaker System/Troubleshooting
Overture 2
11
Mechanical/Packaging Parts List
1 CABINET NOT FOR SALE
2 6.5”, WOOFER, B160-4 (120V) DCR = 14.2Ω±10% 2 330618-001
6.5”, WOOFER, LM-B160-8 (230V) DCR = 40Ω±10% 2 333773-001
3 SCREW, #8 x .75”, PPH, ZINC 17 900102-012
4 REAR WOOFER GRILLE 1 330955-001
5 FRONT/REAR WOOFER BAFFLE 2 332334-001
6 AMPLIFIER CAP 1 331399-001
7 CROSSOVER NETWORK (120V) 1 331235-001
8 BASE, FRONT FOOT 1 331184-001
9 REAR BASE 1 331075-002
10 REAR BASE w/PORT 1 331236-001
11 BINDING POST (RED) 1 331723-001
12 BINDING POST (BLACK) 1 331724-001
13 SCREW, #8 x 1” PPH, ZINC 15 900102-016
14 SCREW, #6-32 x 3/8” PPHMS CADCAD PLATED 2 10811
15 AMPLIFIER 1 NOT FOR SALE
16 1” (25MM) NEODYMIUM TWEETER DCR = 3.6Ω±10% 1 333232-001
17 UPPER FRONT BAFFLE (120V) 1 331182-001
UPPER FRONT BAFFLE (230V) 1 332335-002
18 FRONT GRILLE 1 333585-001
19 SCREW, #6 x 3/4” PPHD, BLK 12 63563
20 SCREW, 4-40 x .25” PPH, ZINC 2 905502-004
21 5.25”,MIDRANGE TRANSDUCER, B125-6 DCR = 7.7Ω±10% 2 330650-001
22 MIDRANGE CUP (120V) 1 330833-001
PACKAGING
23 SPIKE FOOT SET, 1.5” 1 331360-001
24 OUTER CARTON (120V) 1 331245-001
25 FOAM PAD, TOP 1 331254-001
26 FOAM PAD, BOTTOM 1 331255-001
27 SURVEY CARD 1 330033-001
28 OWNER’S MANUAL (120V) 1 332292-001
29 SAFETY SHEET 1 330100-001
30 LINE FUSE 5A 2AG SLO-BLO (120V) 2 FS1068 or 331925-001
Ref No. Description Qty Part No.
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