6L6GCMSTR/2 TAD selected power tubes 6L6GCMSTR/4 TAD selected power tubes 6L6WGCOS/2 TAD selected power tubes 6L6WGCSTR/2 TAD selected power tubes 6L6WGCSTR/4 TAD selected power tubes KT66/2 TAD selected power tubes 5881WXT/2 TAD selected power tubes 5881WXT/4 TAD selected power tubes 5881CZ/2 TAD selected power tubes 5881CZ/4 TAD selected power tubes 6V6GTCZ/2 TAD selected power tubes 6V6GTCZ/4 TAD selected power tubes 6V6GTSTR/2 TAD selected power tubes 6V6GTSTR/4 TAD selected power tubes 6V6GTBSTR/2 TAD selected power tubes E34LCZ/2 TAD selected power tubes E34LCZ/4 TAD selected power tubes EL34STR/2 TAD selected power tubes EL34STR/4 TAD selected power tubes EL84CZ/2 TAD selected power tubes EL84CZ/4 TAD selected power tubes EL84M/2 TAD selected power tubes EL84M/4 TAD selected power tubes EL84-STR/2 TAD selected power tubes EL84-STR/4 TAD selected power tubes 6550ASTR/2 TAD selected power tubes 6550ASTR/4 TAD selected power tubes