4 X 6060 LEWIS AND KAUFMAN LOS GATOS TUBE. 1977 PROD. BLACK PLATE. 3M. 34.CB406

4 X 6060 TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: LEWIS AND KAUFMAN LOS GATOS. 1977 PRODUCTION.

BLACK PLATES, HALO GETTER, 3 MICA, COPPER RODS, NON MATCHED QUAD.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

138/116% EMISSION (EM) 116/118% TRANSCONDUCTANCE (GM) 0.6/0.6mA/V GAS

82/122% EMISSION (EM) 93/109% TRANSCONDUCTANCE (GM) 0.4/0.6mA/V GAS

104/80% EMISSION (EM) 105/90% TRANSCONDUCTANCE (GM) 0.8/0.4mA/V GAS

96/88% EMISSION (EM) 99/98% TRANSCONDUCTANCE (GM) 0.4/0.4mA/V GAS

CB406U1