You are bidding on (1) NOS Sylvania 6BA8A electron tube, made in the USA in 1963. Green silkscreen, silver oxide coating, copper rods, double mica spacers, and top mounted round halo getter. Tube ships in the original box as shown; box is rough.
You are bidding on a matched pair (two tubes) of NOS Westinghouse WL5654/6AK5W electron tubes; these can be used to replace any 6AK5 type tube. These were made in the USA in 1961. Tubes come from a sealed case of 100.
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