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Audio and Video Talk
Vinyl
Preference: Tube or SS RIAA pre-amp units
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<blockquote data-quote="gavinbirss" data-source="post: 38739" data-attributes="member: 60"><p>Simulation vs real-life conditions :</p><p></p><p><a href="http://www.hagtech.com/loading.html" target="_blank">http://www.hagtech.com/loading.html</a></p><p></p><p>Cartridge Loading</p><p></p><p>This is a quick study of various phonograph cartridge loading conditions, a rather straightforward analysis using a simple model in Pspice. Obviously, real-life conditions are far more complex, but general trends and first order results can be realized. Effects of RIAA equalization have not been taken into account - perhaps altering the results a little.</p><p></p><p>A cartridge's electrical response is simulated by a voltage source in series with an inductance (Lc) and resistance (Rc). The load capacitance of the interconnect and preamp are lumped together (Ca). Load resistance of preamp is Ra. </p><p></p><p></p><p><a href="http://www.hagtech.com/images/cartridge.gif" target="_blank">http://www.hagtech.com/images/cartridge.gif</a></p></blockquote><p></p>
[QUOTE="gavinbirss, post: 38739, member: 60"] Simulation vs real-life conditions : [url=http://www.hagtech.com/loading.html]http://www.hagtech.com/loading.html[/url] Cartridge Loading This is a quick study of various phonograph cartridge loading conditions, a rather straightforward analysis using a simple model in Pspice. Obviously, real-life conditions are far more complex, but general trends and first order results can be realized. Effects of RIAA equalization have not been taken into account - perhaps altering the results a little. A cartridge's electrical response is simulated by a voltage source in series with an inductance (Lc) and resistance (Rc). The load capacitance of the interconnect and preamp are lumped together (Ca). Load resistance of preamp is Ra. [url=http://www.hagtech.com/images/cartridge.gif]http://www.hagtech.com/images/cartridge.gif[/url] [/QUOTE]
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Audio and Video Talk
Vinyl
Preference: Tube or SS RIAA pre-amp units
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