2 X ECC88 TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: -. 1960s JAPAN PRODUCTION.

GREY PLATES, HALO GETTER.

TESTED IN ROEHRENTEST TUBE TESTER:

90/122% 13.431/18.351mA EMISSION (EM)

121/112% 18.111/16.74mA EMISSION (EM)

CH166U1