DW3 DW4 Mullard DW4/350 R2 Holy Grail Full Wave directly heated rectifiers etched lettering on top
DW3 Mullard balloon £ 450 pair.
DW3/DW4 Mullard balloon £ 750 quartet.
Description
Early set of ultra rare Mullard Dw3 (three pieces) and one Mullard DW4 boxed made in 1931.
Probably among the best rectifiers ever made with balloon shape, having all data for a correct working order located on top of dome
Highly recommended for your audio set, these valves deliver excellent sound!
Full getter with barium coating.
Directly heated rectifiers.
We have three Dw3 and 1 boxed DW4 though have the same shape. All four valves have been successfully tested 100% emission and working order.
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