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The item received was as described, as expected. I was pleased with the order. Thank you.
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Superb rendition. Drawings (schematics) complete and unabridged. I do a great deal of vintage audio restoration. Documentation is essential for successful repairs. I have found sources over the years that offer good documentation, but rarely all that is necessary. Owner's Manuals has filled that void with complete and legible documentation. They have narrowed my "favorites" to a more manageable collection. This Denon manual in particular contained the latest revisions level, and offered alterations favorable to updating the item. The Illustrated Parts Breakdown (IPB) was well enough detailed to simplify part symbols and physical locations. You will not be disappointed!
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Clear and concise. Saved me a lot of time and money.
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Superb manual. Exactly what I ordered and made available in a very timely manner.
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very fast detailed and accurate hope to do business again
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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