Description

• SIEMENS and LORENZ brand
• Condition – NOS
• Triode measurement op. point 160Va, -3Vg
• Triode connected heptode op. point 200Va, -0.5Vg
• Tube 1 measures It=2.31mA, Ih=2.37
• Tube 2 measures Ia=3.74mA, Ih=1.36
• Triode THD Measurements
• Heptode THD Measurements