INFINITY QLS-4
Manual de Servicio

Technical Manual

QLS-4

Quantum Line Source Series 3-Way Speaker
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: 4 ohms Power Rating: 30 to 250 watts RMS Crossover Frequencies: 600Hz, 4,000Hz Frequency Response: 35Hz-32kHz +/-3dB NOTE: Woofer has dual voice coils, solid red wire is 4 ohm pos., solid black wire is 2 ohm pos.

PHYSICAL SPECIFICATIONS:
1x - EMIT Tweeters 1x - 1-1/2" (3.8cm) Dome Midrange 1x - 12" (30.5cm) Infinity/Watkin Dual-Drive Woofer Dimensions: 36"H x 15"W" x 12"D XXXXXXXXXXXX XXXXXXXXX91cm(H) x 38cm(W) x 30cm(D) Cabinet Grille Control Tweeter Control Midrange Crossover Logo Not Sold NLA #145-0103 #145-0110 NLA #716-0312

PRODUCTION HISTORY
Introduced in 1977 Discontinued 1982 Original Retail Price: $850.00/pair

TECHNICAL INFORMATION

TWEETER #902-2252 Substitue #902-5086 DIAPHRAGM #751-3722

DOME MIDRANGE #902-0206 MID DIAPHRAGM NLA

12" WOOFER #902-1180 Substitute NONE

9.5µF

BLUE

BINDING POST
FUSE

5� 25W

TWEETER
BLUE/BLK

WHITE

INPUTS

2 Amp AGC

13.6µF

0.2mH

5� 25W
WHITE/BLK

MIDRANGE

RED

1100µF

1.0mH

RED/BLACK BLACK

WOOFER V. C. 1

20mH

700µF

RED/BLACK

WOOFER V. C. 2

REV B 3/2003

INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797

QLS-4 Quantum Line Source Series 3-Way Speaker