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Old 15th November 2004, 07:05 AM   #1
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Unhappy EL509 vs EL519

Are there any differences btw EL509 and EL519?
From the data I have, I can't find any!
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Old 15th November 2004, 12:54 PM   #2
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A real EL519/PL519 have higher allowed anode dissipation, (35W compared to 30W) and higher allowed cathode peak current, (1500mA compared to 1200mA) than a EL509/PL509.

See here http://www.mif.pg.gda.pl/homepages/f...10/p/PL519.pdf

and here http://www.mif.pg.gda.pl/homepages/f...10/p/PL509.pdf

Regards Hans
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Old 15th November 2004, 12:57 PM   #3
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There is a slight difference in max plate and screen dissipation (35 vs. 40 W, I think), but unless you're running class A, this is of little significance. In most cases, they are interchangeable.
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Old 15th November 2004, 02:01 PM   #4
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I can find more EL509 than EL519.
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