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Audio and Video Talk
Valves / Vacuum Tubes
Valve data books
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<blockquote data-quote="charles" data-source="post: 767277" data-attributes="member: 2759"><p>The best is to refer to the original valve data books:</p><p></p><p>Osram Valve Guide</p><p>1939-40</p><p>page 22:</p><p>KT66</p><p>Filament Volts 6.3;Current amps. 0.95</p><p>Anode Volts max 250; Screen Volts max 250</p><p>Mutual Conductance (mA/V) 6.3</p><p><strong>Average Anode Current 85 mA</strong></p><p>Average Screen Current 6.3 mA</p><p>Approx. Grid Bias Volts -15</p><p>Bias Rest. Ohms 170</p><p>Optimum Load (single valve) Ohms 2,200</p><p>Approx. Power Output (single valve ) watts 7.25 </p></blockquote><p></p>
[QUOTE="charles, post: 767277, member: 2759"] The best is to refer to the original valve data books: Osram Valve Guide 1939-40 page 22: KT66 Filament Volts 6.3;Current amps. 0.95 Anode Volts max 250; Screen Volts max 250 Mutual Conductance (mA/V) 6.3 [b]Average Anode Current 85 mA[/b] Average Screen Current 6.3 mA Approx. Grid Bias Volts -15 Bias Rest. Ohms 170 Optimum Load (single valve) Ohms 2,200 Approx. Power Output (single valve ) watts 7.25 [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Valve data books
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