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Audio and Video Talk
Valves / Vacuum Tubes
The E80L valve
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<blockquote data-quote="kubusi" data-source="post: 1079584" data-attributes="member: 19010"><p>Quite correct Charles with the slightly higher anode dissipation of 9 Watts running at a voltage of 250. I based on the figures I used a voltage of 200 as reflected in data books I have from Mullard, Pope and Philips. When I used one I ran it at a HT of just about 200 volts and had a maximum audio output of about 2.5 Watts. Yes and running a pair of them in class AB should give over 5 Watts audio. Just as an aside I ran another oddball valve in the receiver and :used a 7360 which is a dual beam deflection valve as a RF mixer due to its very low conversion noise</p><p></p><p>In reply to Den123 as far as I am aware the valve was used in some professional audio equipment that required extremely high reliability, quite possibly also used as you say in aircraft and military where utmost reliability is paramount.</p></blockquote><p></p>
[QUOTE="kubusi, post: 1079584, member: 19010"] Quite correct Charles with the slightly higher anode dissipation of 9 Watts running at a voltage of 250. I based on the figures I used a voltage of 200 as reflected in data books I have from Mullard, Pope and Philips. When I used one I ran it at a HT of just about 200 volts and had a maximum audio output of about 2.5 Watts. Yes and running a pair of them in class AB should give over 5 Watts audio. Just as an aside I ran another oddball valve in the receiver and :used a 7360 which is a dual beam deflection valve as a RF mixer due to its very low conversion noise In reply to Den123 as far as I am aware the valve was used in some professional audio equipment that required extremely high reliability, quite possibly also used as you say in aircraft and military where utmost reliability is paramount. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
The E80L valve
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