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Ottima qualità grafica e completo nelle notizie. Costo abbastanza contenuto.
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Great and quick support. The maual was exactly what I was looking for and my problem
solved. Many thanks.
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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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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