ONE ULTRA RARE F443N GIANT POWER TUBE F443N = L497D TESTED V À CLEEBOURG
Ultra rare F443N giant power tube F443N = L497D tested good! F443 is the first series produced 25 watts output-pentode, thus it is the ancestress of the later EL34. At 550 Vp and 250 Vg2 the F443N is capable of 41 watts output power in push-pull [Jacob Roschÿ, 2003-03-17] 100% when over 65mA This tubes gives 68mA
4,00/5
1 Reviews
Prix:
260,00 €
260,00 €
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