4x Mullard EL84 Valves Tubes 1955 Disc-getter Eq N709 6BQ5 CV2975

4x Mullard EL84 Valves. Very rare 1955 Mullard EL84 with disc-getter. Date Code: rX1 B5D (1955), rX1 B5K (1955), rX1 B5K (1955), rX1 B5H (1955). This valve has also been tested in amplifier without any noise.

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