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Downloaded the Service manual OK of the Technics Piano and have now repaired it and its going fine. Excellant; thank you for the fine servce. A.M
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This site is working fine! Did buy a manual for SX-EX25L and after a while I could download it and fix the problem. Nice and easy!
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Complete service manual in very good scanning quality with all schematic and PWB graphics as well as assembly & maintenance instructions. A slight drawback is that the rastering of the PWB graphics sometimes makes it a bit difficult to follow fine traces, but no showstopper.
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site. Thank you very much
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
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