UU7 Mazda CV3761 one of the classic audio 4 Volts heater used on RGD1046 amplifier radiogram

Mazda UU7 £ 150 pair

Mazda UU7 £ 250 quartet

Description

The whole series of Mazda UU’s valves were made between the 1930s and the early 1940s.

Mazda produced the UU7 with metalised glass. This was a new development for audio innovation.

The Mazda UU7 are used on RGD1046 radiogram and  separate stereo amplifiers.

All four UU7 valves have been tested 100% with full emission and working order.

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