17STANDARD_TUBE_SET GROUPING_QUAD_TK-KT88 BSCT-12AX7-JANGE 26STANDARD_TUBE_SET GROUPING_QUAD_EH-300B BSCT-12AX7-RCA NOS-4-400A NOS-ECC802S-TELE GROUPING_OCTET_GL-KT88 19STANDARD_TUBE_SET 45STANDARD_TUBE_SET BSCT-12AX7-MULLARD 44STANDARD_TUBE_SET GROUPING_SEXTET_TS-KT150 NOS-6CA7-PH-MB NOS-12AU7-MULLARD50S GROUPING_QUAD_JJ-300B GROUPING_QUAD_GL-PX300B GROUPING_SEXTET_TK-KT88 43STANDARD_TUBE_SET