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2 X 6SJ7 ULTRON TUBE. NEW OLD STOCK.
BRAND: ULTRON
MATCHED PAIR.
THE PAINT IS PEELING OFF.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
110% EMISSION (EM) 116% TRANSCONDUCTANCE (GM) 0.0mA/V GAS
103% EMISSION (EM) 106% TRANSCONDUCTANCE (GM) 0.1mA/V GAS