EL83 Vacuum Pentode Power Output Tube.
Date code: +_4K3 (1964, Chartres, France)
Tested on AVO 160 With:
Uf: 6.3 V~
Ua: 250 V
Ug1: - 5.5V
Ug2: 250 V
Results: Ia = 40 mA (36 = 100%)
S = 12 mA/V (10 = 100%)
All our tubes are tested for shorts and gas leak.
Combined shipping is never more than 14.95 $ Worldwide.
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