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FOR SALE: 4 X CV850 TUBE. NEW OLD STOCK IN ORIGINAL BOX.
BRANDS: MULLARD. 1960s BRITISH ARMY PRODUCTION
BLACK PLATES, SQUARE GETTER
MATCHED QUAD
TESTED IN AMPLITREX AT1000 TUBE TESTER
100% EMISSION (EM). 101% TRANSCONDUCTANCE (GM). 1.0mA/V GAS.
103% EMISSION (EM). 98% TRANSCONDUCTANCE (GM). 1.6mA/V GAS.
101% EMISSION (EM). 103% TRANSCONDUCTANCE (GM). 1.5mA/V GAS.
103% EMISSION (EM). 92% TRANSCONDUCTANCE (GM). 0.8mA/V GAS.