AT20 Mazda old Army service code CV1361 MZ05-20 matched pair fully tested audio triodes

Mazda AT20 old Army service code CV1361 MZ05-20 £ 500 pair

Description

Pair of Mazda AT20 audio triodes old Army.

Nice audio valves for DIY quite similar to a PX4 but the AT20 work at 6 volts heater, the Mullard equivalent is MZ05/20

Nice chrome ribbed plate

Tested 100% emission for both valves

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