Vintage quality ceramic tube sockets for PCB mount - magnoval (B9D) made in the former GDR. Sockets are suitable for tube types EL500, EL504, EL509, 6KG6, 6P36S (6П36С), 6P42S (6П42С), 6P45S (6П45С) and many others. New old stock (please see the gallery).