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This is exactly the thing you need to service this box. The manual is complete and the quality of the scan is good. I recommend this!
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The delivery of this manual was very fast, less than 8 hours. The manual is very clear and concise, and helped a great deal in the repair and final setup of the Hitachi HMA-G2 Amplifier.
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Great service. The manual was exactly what I was looking for: schematic + layout. I managed to fix the player. Highly recommended!
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At $5,00 certainly good bang for your buck. Includes electric schematics as well as exploded parts view + parts list for reordering. Unfortunately no details on the PCB contents or working, but then again, this is not overly complex. Best bonus: this manual does contain the heavily searched for LED error codes as well as descriptions for test operation. Haven't gotten around to fixing the machine yet, one thing the manual won't do for you is getting it out of the kitchen assembly :-(
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It`s not your fault tear down is rather incomplete. It doesn`t have complete instructions as to deconstruction for repair.
Technical Manual
QLS-2
Quantum Line Source Series 4-Way Speaker
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: 4 ohms Power Rating: 45 to 350 watts RMS Crossover Frequencies: 200Hz, 600Hz, 4kHz Frequency Response: 24Hz-32kHz +/-3dB NOTE: Woofer has dual voice coils, solid red wire is 4 ohm pos., solid black wire is 2 ohm pos.
PHYSICAL SPECIFICATIONS:
3x - EMIT Tweeters 2x - 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, 18 to 200Hz Dimensions: 49"H x 18"W" x 13"D XXXXXXXXXXXX XXXXXXXXX124.5cm(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: $1,500.00/pair
TECHNICAL INFORMATION
(3x) TWEETER NLA (2x) DOME MIDRANGE Substitue NLA #902-0206 DIAPHRAGM #751-0625 MID DIAPHRAGM NLA TWEETER (Rear) #902-0157 DIAPHRAGM NLA
BINDING POST
MIDBASS COUPLER #902-0151
12" WOOFER #902-1180 Substitute NONE
BLUE/BLK BLUE
5� 25W
2.5 + .33µF
TWEETERS
3.5 + .33µF
FUSE
2.7� 25W
WHITE
INPUTS
2-1/2 Amp AGC
20.4µF
0.15mH
5� 25W
8.1� 25W
MIDRANGE
WHITE/BLK
5.4� 25W 5� 25W 4.0mH 4.3mH 40µF
YELLOW/BLK YELLOW RED RED/BLACK BLACK
MID BASS COUPLER
700µF
WOOFER V. C. 1
1100µF
20mH
RED/BLACK
WOOFER V. C. 2
REV B 3/2003
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
QLS-2 Quantum Line Source Series 4-Way Speaker
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