Dual series thyristors.
1 x IXYS VUO52-16NO1, 3-phase Bridge Rectifier Module 55A 1600V 5-Pin V1-A-Pack
1 x IXYS, MCC132-16IO1, Dual Thyristor Module SCR, 130A 1600V, 7-Pin Y4 M6
1 x MCC21-14IO8B Module thyristor Double Series 1.4kV 21A TO240AA Ufmax IXYS
1 x Tube of ON Semiconductor LM833N Dual Ch. OP Amp ...50 x LM833N / Tube
Replacement Valve Kit for EVH 5150 III 50W 6L6 (6 x ECC83 1 x Balanced ECC83 ...
Ceramic Trimmer / Alignment Tool - 4 Sizes available 3 x spade & 1 x Cross Head