INFINITY QLS-3
Manual de Servicio

Technical Manual

QLS-3

Quantum Line Source Series 4-Way Speaker
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: 4 ohms Power Rating: 60 to 250 watts RMS Crossover Frequencies: 200Hz, 600Hz, 4kHz Frequency Response: 28Hz-32kHz +/-3dB NOTE: Woofer has dual voice coils, solid red wire is 4 ohm pos., solid black wire is 2 ohm pos.

PHYSICAL SPECIFICATIONS:
2x - EMIT Tweeters 1x - 1-1/2" (3.8cm) Dome Midrange 1x - 4" (10.2cm) Midbass Coupler, transmission line loaded 1x - 12" (30.5cm) Infinity/Watkin Dual-Drive Woofer Dimensions: 40"H x 18"W" x 13"D XXXXXXXXXXXX XXXXXXXXX102cm(H) x 45.7cm(W) x 33cm(D) Cabinet Not Sold Grille NLA Control Tweeter Control Midrange Crossover Logo #145-0110 #145-0110 NLA #716-0312

PRODUCTION HISTORY
Introduced in 1977 Discontinued 1982 Original Retail Price: $1,050.00/pair

TECHNICAL INFORMATION

(3x) TWEETER NLA Substitue NLA DIAPHRAGM #751-0625 TWEETER (Rear) #902-0157 DIAPHRAGM NLA

(2x) DOME MIDRANGE #902-0206 MID DIAPHRAGM NLA

MIDBASS COUPLER #902-0151

12" WOOFER #902-1180 Substitute NONE

BINDING POST
FUSE

5� 25W

3.16µF (.33+.33+2.2)

BLUE/BLK BLUE

TWEETERS

WHITE

INPUTS

2 Amp AGC

10.3µF (3.5 + 6.8)

0.3mH

5� 25W
WHITE/BLK

MIDRANGE

5.4� 5� 25W 4.0mH 4.3mH 40µF

YELLOW/BLK YELLOW RED RED/BLACK BLACK

MID BASS COUPLER

600µF

WOOFER V. C. 1

20mH

600µF

RED/BLACK

WOOFER V. C. 2

REV B 3/2003

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

QLS-3 Quantum Line Source Series 4-Way Speaker