OPERATING INSTRUCTIONS FOR PHONO PREAMPLIFIER Vanguard II Version 1, Jan2003...
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Analogic Even more than two decades ago, so the propagandists of the new medium Compact Disc wanted it, the record had retired. The number of sold records removed from year to year, those of the CD’s increased, until apparently now eternally of yesterday ones and the nostalgic people at unexplainable expenditure maintained and supplemented their record collections and had still no CD player.
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Who doesn’t want to know it so exactly first, may skip this chapter, but only this, to find out, how the Vanguard II wants to be up and adjusted, attached, served and treated, thereby it can helps to transform the high-quality, but sensitive phono signals of your records in the best possible way into music and to thank you itself in our name for your investment.
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A special power pack circuit supplies the sensitive amplifier circuit with filtered direct current. However in order to exclude net influences completely, we recommend to use the battery- Volcano II power supply “TRIGON ” with a lead gel accumulator, which is optional switchable, Vanguard II...
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The operation and wiring In the picture down is shown the front and the back of the Vanguard II 1. Operating key and control lamps Vanguard II With the tracer (1) the can be switched on and/or off. The red indicator LED over the key signals the operating status.
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Simple stripped cable ends can be also attached by solving, after that they were put into the lateral drilling of the knurled thumbscrew and then likewise again with the knurled thumbscrew clamped. Vanguard II Subsequent is the view of the ground of the with the channel separated mini switches for the reinforcement (6) and the feed impedance adjustment (7) illustrated.
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Table of the switching positions for the gain setting. Vanguard II With the four-fold mini switch for each stereo channel on the lower surface of the the reinforcement can be adjusted separated. As this table shows, the reinforcement between 42 dB and 66.3 dB can be adjusted in 16 stages.
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A 0 means: Switch not switched The entrance capacity without connected capacity amounts to approx. 60 - 100pF with the Vanguard II Each capacity, which is connected, must be added to this entrance capacity. The cable capacitance of the cable connections between record players and preamplifiers must be added, too.
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Table 1.2 of the switching positions for the input impedances 100pF 220pF 1800 1000 Input impedance computed in ohms 47000,0 1733,6 979,2 634,2 465,3 369,8 317,6 269,9 219,0 195,2 179,6 163,3 149,4 137,9 130,0 121,2 99,8 94,5 90,7 86,4 82,3 78,7 76,1 73,0...
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Set-up recommendations Vanguard II As well as almost all electronic devices the shouldn’t be exposed to the direct sunlight, too. Because the set warms up a little when it is in operation, you should pay attention to sufficient circulating air.
: < 3VA Dimensions h x b x d : 55mm x 133mm x 182mm Subject to change Production and construction: Trigon Elektronik GmbH Korbacher Straße 185 D-34132 Kassel Tel. +49 (0) 561/474462 +49 (0) 561/474463 e-mail: trigon@trigon-audio.de web: www.trigon-audio.de...
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