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Audio and Video Talk
Valves / Vacuum Tubes
DC coupled KT88 push-pull amplifier.
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<blockquote data-quote="Ampdog" data-source="post: 536525" data-attributes="member: 144"><p>Regarding OPT with split bobbin:</p><p></p><p>No.</p><p></p><p>It is at most a waste of space (er - some). One wants as much coupling between all sections as possible. There is an overrated idea about equal primary winding d.c. resistances. Since they are in series with an anode, which is a current source even with a triode, that is of no importance. Apart from which valves are not of such a consistency that this will have any effect.</p></blockquote><p></p>
[QUOTE="Ampdog, post: 536525, member: 144"] Regarding OPT with split bobbin: No. It is at most a waste of space (er - some). One wants as much coupling between all sections as possible. There is an overrated idea about equal primary winding d.c. resistances. Since they are in series with an anode, which is a current source even with a triode, that is of no importance. Apart from which valves are not of such a consistency that this will have any effect. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
DC coupled KT88 push-pull amplifier.
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