3X ECC82/12AU7 (GF1) VARIOUS BRANDS MULLARD BLACKBURN CODE D À MONTIGNY LÈS METZ
TESTS CONDITIONS (datasheet) Va=250V Vg1=-8.5V Ia=10.5mA Gf1ECC82ADZAM not full mica pikes medium ring getter B2A58,3/8,7mAGf1ECC82PHILIPSMiniWattnot full mica pikes medium ring getter B1E?6,3/6,2mAGf1ECC82/12AU7MINIWattDarionot full mica pikes medium ring getter B2E48,7/7,4mA
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