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Audio and Video Talk
Valves / Vacuum Tubes
What Make Valve?
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<blockquote data-quote="Ampdog" data-source="post: 699841" data-attributes="member: 144"><p>This was overlooked 'in all this excitement' (as Dirty Harry told the baddy just before he blew his head apart):</p><p></p><p>True.</p><p></p><p>Folks unfamiliar with valves (or transistors for that matter) seem to think that >100% is an improvement. Apart from showing up perhaps gas, it simply becomes a different valve, which may or may not work in a particular application. Operating conditions (voltage, current, grid bias) might not be suitable, and in extreme cases lead to non-operation or destruction of something. (One might as well claim that a transformer tested 'better than 100%' and is therefore fine, if the 6,3V heater voltage measures 7,3V!).</p></blockquote><p></p>
[QUOTE="Ampdog, post: 699841, member: 144"] This was overlooked 'in all this excitement' (as Dirty Harry told the baddy just before he blew his head apart): True. Folks unfamiliar with valves (or transistors for that matter) seem to think that >100% is an improvement. Apart from showing up perhaps gas, it simply becomes a different valve, which may or may not work in a particular application. Operating conditions (voltage, current, grid bias) might not be suitable, and in extreme cases lead to non-operation or destruction of something. (One might as well claim that a transformer tested 'better than 100%' and is therefore fine, if the 6,3V heater voltage measures 7,3V!). [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
What Make Valve?
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