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Audio and Video Talk
Valves / Vacuum Tubes
Radford STA 15 Technical Discussion
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<blockquote data-quote="Ampdog" data-source="post: 1043014" data-attributes="member: 144"><p>Replaced the Leak, Charles ? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>(Might perhaps add: Use of a pentode input in the phase inverter was perhaps for extended open-loop gain; the capacitive load on the anode of the input EF86 will have been lessened. Manley followed a similar logic by inserting a cathode follower after the high impedance anode resistor of the input stage.) </p><p></p><p>[But we are way off topic now. Perhaps a new thread for those interested in the specific mentioned design deviation - ]</p></blockquote><p></p>
[QUOTE="Ampdog, post: 1043014, member: 144"] Replaced the Leak, Charles ? :) :) :) (Might perhaps add: Use of a pentode input in the phase inverter was perhaps for extended open-loop gain; the capacitive load on the anode of the input EF86 will have been lessened. Manley followed a similar logic by inserting a cathode follower after the high impedance anode resistor of the input stage.) [But we are way off topic now. Perhaps a new thread for those interested in the specific mentioned design deviation - ] [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Radford STA 15 Technical Discussion
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