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There are currently no product reviews.
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muy buen manual por lo completo de este algunos esquemas estan muy divididos lo que hace algo dificil el seguimiento.
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very good manual, with detail and clarity in esquematic diagrams and waveforms .
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Very quality copy of original service manual, which contains the circuit diagrams, PCB and lists of components, well as recommendation for calibration procedures of device, also everything else, that need for repair, tuning and use this oscilloscope.
All presented copies have high-resolution, so you can view all in detail.
This manual will very useful for simple owners and for repairers.
I recommend these manual, because myself is owner of Philips PM3216 and I need sometimes servicing these oscilloscope (principally calibrating).
Also, these document is an example of excellent design of technical documentation.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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manual excelente completo , diagramas y esquemas bien presentados y buena calidad de imagen.
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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