RCA-branded Mullard Xf2 double halo EL34/6CA7 - NOS/NIB (matched pair) - This is a matched pair of Mullard-manufactured, RCA-branded, mid-60's production Xf2 double-halo getter NOS/NIB EL 34/6CA 7's. These are absolutely unused, except to test them.
RCA-branded Mullard Xf2 double halo EL34/6CA7 - NOS/NIB (matched pair) - This is a matched pair of Mullard-manufactured, RCA-branded, mid-60's production Xf2 double-halo getter NOS/NIB EL 34/6CA 7's. These are absolutely unused, except to test them.
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