DW2 Mullard Directly heated rectifiers balloon shape ribbed plate full getter UU5 1821

Description

Classic balloon design for Mullard DW2 which is basically a Philips 1821.

We show a pair of Dw2 in that they are hard to find these days.

Early shape with black ribbed plate and full getter

A 4 Volts heater rectifier with a reservoir capacitor of 16uF.

Used both in radio and vintage / modern amplifiers.

Both Mullard Dw2 have been successfully tested 100% in working order.