U14 Marconi red label ST fat shape mesh plate full getter DW4 DW4/500 442BU

Marconi U14 ST fat shape mesh plate £ 450 pair

Description

We offer a rare pair of Marconi U14 ST fat shape audio rectifiers.

Both U12 and U14 are quite the same though we have learnt that U14 offers better durability and performance.

The U14 was first introduced in 1931. The pair U14 here shown have wide silver halo next to getter that tells us no use at all.

They have both been tested with 100% emission and full working order.

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