167STANDARD_TUBE_SET 59STANDARD_TUBE_SET 77STANDARD_TUBE_SET GROUPING_THREE_PACK_EH-12AX7GP 218STANDARD_TUBE_SET SO-6B4G GROUPING_OCTET_JJ-EL34 GROUPING_QUAD_JJ-EL34 394STANDARD_TUBE_SET 496STANDARD_TUBE_SET GROUPING_QUAD_SI-KT66 NOS-5Y3WGTA-OLD 290STANDARD_TUBE_SET 590STANDARD_TUBE_SET 144STANDARD_TUBE_SET NOS-280 339STANDARD_TUBE_SET GROUPING_PAIR_TS-6SL7GT 148STANDARD_TUBE_SET NOS-EZ35-MULLARD