The E80L valve

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kubusi

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This is an enquiry to see if any forum members have made use of this very useful valve in either normal single ended pentode or wired as a triode. Same size as the EL84 but with different pinouts and anode dissipation of 8W.compared to the EL84 which is 12W. A pair of them will put out just over 5 watts audio

It is listed by Phillips as a reliable ruggedized long life valve and in the development stage some parameters were only determined after running continuously for a minimum of 10,000 hours. Other tests done, shock 5 times in 4 positions to an acceleration of 500g. Vibration 32 hours in each of 3 positions to a vibration frequency of 50 Hz at an acceleration of 2.5g.       

The way I see it a small amplifier with built with this valve would virtually last a lifetime unless broken physically, I personally have only used one in the audio output of a much modified communications receiver which  was far from HiFi.

If any forum members have used this valve I would like to hear from them. It is also known under an alternative number 6227 and has gold plated pins.
 
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