Infinity Interlude Series User manual

Interlude Series
IL50 L/R
Powered Loudspeaker
Service Manual
Infinity Systems, Inc
250 Crossways Park Dr.
Woodbury, New York 797
REV10 10/2005

IL50
CONTENTS
SPECIFICATIONS …….……………………………………………….3
DETAILED SPECIFICATIONS …………………….…………………4
CONTROLS and CONNECTIONS …………………….….…………6
OPERATION……………………………………..………..…….……..10
BASS OPTIMIZATION SYSTEM……………………….….…………10
MECHANICAL PARTS LIST…………………….……………………12
EXPLODED VIEW ……………………………………….……………13
EXPLODED VIEW OF AMPLIFIER…………………….……………14
SERVICE TIPS……………………………..……………………….…15
SERVICE BULLETIN INF2002-02 ……………………..……………16
SERVICE BULLETIN INF2001-04 ……………………..……………17
SERVICE BULLETIN INF2002-05 ……………………..……………19
TECH TIP INFTT2003-03……………………………………………..24
TEST SET UP PROCEDURE…………………….…….……………25
IL50 ADJUST BIAS PROCEDURE……………….…………………26
PACKAGING …………………………….………………………….…27
PRINTED CIRCUIT BOARD DIAGRAMS………………..…………28
ELECTRICAL PARTS LIST (120v)…………………….….…………34
INTEGRATED CIRCUIT DIAGRAMS ………………………………40
HI-PASS CROSSOVER SCHEMATIC…………………………………...41
IL50 SCHEMATICS…………..………….……………………………42
2

IL50 L/R
3
Specifications
IL50 L/R Frequency Response: 32Hz - 22,000Hz (±3dB)
Recommended Amplifier Power Range 15-150 watts*
Subwoofer Amplifier Output: 250 watts (In to 8Ωfrom 20 Hz - 100Hz
with no more than 0.1% THD)
Sensitivity: 88dB (2.83V @ 1 meter)
Nominal Impedance: 8Ω
Crossover Frequencies: 150Hz; 2500Hz, 24dB/octave,
Low-Frequency Driver: 10" C.M.M.D., magnetically shielded
Mid-Bass Driver: 6-1/2” C.M.M.D., magnetically shielded
High-Frequency Driver: 1” C.M.M.D., magnetically shielded
Dimensions (H x W x D): 42" x 8-3/4" x 14-1/2"
(1067mm x 222mm x 368mm)
Weight: 60 lb (27kg)
* 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
IL50 L/R
4

IL50 L/R
5
Detailed Specifications (Cont.)

IL50 L/R
6
Controls and Connections (Cont.)

IL50 L/R
7
Controls and Connections

IL50 L/R
8
Controls and Connections (Cont.)

IL50 L/R
9
Controls and Connections (Cont.)

IL50 L/R
0
Operation/Bass Optimization S stemTM