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Great service! I got manual to my sony receiver for very reasonoble price.
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Good service, well organized. Cheap, and the service manual was as expected. A valuable service for those of us wanting to keep the old junk going!
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The manual arrived very quickly and had all the information I needed - Very satisfied with this seller. - Thanks -
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Good quality, the manual help me to repair the echo/reverb section
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A good service manual with lots of info and a very fair price
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
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