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TWO EL84 / 6BQ5 vacuum tubes
Tubes test at 10400 and 11720 where 7345 micromhos is pass/fail grade
Excellent Amperex bugle boy logos
Rare made in Canada
Halo getter
Matched date codes:
rX2 r2I3=
r= Philips Factory in Ontario, Canada
2I3= 1962 year , September , week 3
Tested on Amplitrex computerized tube tester (fixed bias mode)
TUBE 1 =10400 micromhos @ 47.6 mA plate current
TUBE 2=11720 micromhos @ 53.1 mA plate current
% Test results in percent %
92% / 103.7% gm mutual conductance
99.1% / 110.6% mA plate current
Spec values for EL84 = 11300umhos / 48iP
Reject value = 65% of spec
NO SHORTS NO GAS
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