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1 X ECC85 TUBE. NEW OLD STOCK.
BRAND: MARCONI. 1960s MADRID PRODUCTION.
GREY PLATES, HALO GETTER, COPPER RODS, HIGH GAIN.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
169/158% EMISSION (EM) 150/142% TRANSCONDUCTANCE (GM) 0.6/0.8mA/V GAS
CH165U1