Sonotone

Brand on Tube Sonotone
Real Tube Manufacturer Siemens


Country Germany
Etched code on Tube rx3 ⋕1G
Factory Code ⋕ - Siemens, Munchen
Year 1961
Tip Shape Pinched Tip
Glass Color Clear Glass
Mica Double
Getter O-Getter Plate
Plate Color Matte Gray
Pin Color Silver
Sonotone by Siemens EL84 6BQ5 rx3
Sonotone by Siemens EL84 6BQ5 rx3

Lets discuss this tube