4 X 6AQ5A RCA TUBE. 1960s PROD. BLACK PLATES. COP. RODS. MATCHED QUAD. 80.CH166

€119.99

4 X 6AQ5A TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: RCA. 1960s PRODUCTION.

BLACK PLATES, HALO GETTER, COPPER RODS, MATCHED QUAD.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

93% EMISSION (EM) 100% TRANSCONDUCTANCE (GM) 2.7mA/V GAS

91% EMISSION (EM) 98% TRANSCONDUCTANCE (GM) 1.8mA/V GAS

94% EMISSION (EM) 93% TRANSCONDUCTANCE (GM) 2.0mA/V GAS

96% EMISSION (EM) 100% TRANSCONDUCTANCE (GM) 2.6mA/V GAS

CH166U1

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