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DIY For Audio
Tweaking the Rotel RA935BX amplifier
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<blockquote data-quote="Rotelman" data-source="post: 800495" data-attributes="member: 19028"><p>I am not seeing any REAL reasons for this mod/tweak to have the effect that's reported. (It would help if someone can define this "graininess" thing...)</p><p></p><p>So these diodes are put in place to rectify sinusoidal current from the AC mains (50Hz). To finalise the type and arrangement of these diodes, the designer will define the required max sustained forward current and the max sustained reverse blocking voltage, constraints and limitations by the remainder of the system this rectifier needs to service. The rectifier is then designed accordingly and functions as it should to provide for the desired DC supply.</p><p></p><p>The recovery period of a standard diode is less than a single cycle in the sinusoidal current from the AC mains. Why would faster diodes have any effect ?</p></blockquote><p></p>
[QUOTE="Rotelman, post: 800495, member: 19028"] I am not seeing any REAL reasons for this mod/tweak to have the effect that's reported. (It would help if someone can define this "graininess" thing...) So these diodes are put in place to rectify sinusoidal current from the AC mains (50Hz). To finalise the type and arrangement of these diodes, the designer will define the required max sustained forward current and the max sustained reverse blocking voltage, constraints and limitations by the remainder of the system this rectifier needs to service. The rectifier is then designed accordingly and functions as it should to provide for the desired DC supply. The recovery period of a standard diode is less than a single cycle in the sinusoidal current from the AC mains. Why would faster diodes have any effect ? [/QUOTE]
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DIY & Tutorials
DIY For Audio
Tweaking the Rotel RA935BX amplifier
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