De Forest Audion D-0IA white base top pip – DFA4 Mullard pair – Nowak 202N Audion

Mullard DFA4 audio voltage amplifier £ 180 pair.

Nowak Audion 202N power amplifier valve £ 100.

Audion Deforest type D-OIA white base circa 1924! £ 300 pair.

Description

This section shows you five interesting valves.

The two valves from the left with TopPip are Mullard DFA4 audio voltage amplifier

Nowak Audion 202N is the small valve in the middle which is a power amplifier valve

Audion Deforest type D-OIA white base circa 1924! those are audio amplifier valves

All valve tested and working.

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