Description

• VALVO brand, both NOS
• Second tube has no markings
• Measurement op. point: Triode – 100Va, -1Vg, Pentode (triode mode) – 170Va, -15Vg
• TUBE 1: Iat=5.13mA, Iap=33.86mA
• TUBE 2: Iat=5.56mA, Iap=35.90mA
• Triode THD Measurements
• Pentode THD Measurements