GROUPING_QUAD_SI-EL34-B NOS-6AQ5L-ERICSSON 512STANDARD_TUBE_SET TS-5881 SO-12AX7WB 55STANDARD_TUBE_SET NOS-6E5 118STANDARD_TUBE_SET SI-807 SO-5Y3GT GROUPING_PAIR_EH-KT90 NOS-5842 NOS-6550 117STANDARD_TUBE_SET GROUPING_PAIR_EH-12AT7 TS-12AX7 GROUPING_QUAD_JJ-E34LB GROUPING_PAIR_JJ-EL34 NOS-6CA7-HOLLAND 195STANDARD_TUBE_SET