Soundlumia Tube Sound Rating: 9.5/10 - Exceptional
Unparalleled sound characteristics and superb build quality - True holographic sound stage with layered details and ultra clarity
Model: Siemens EL34 (Made in Germany)
Original Siemens Label
GM (Mutual Conductance) test result: 94% of NOS/NEW
Silkscreen: 100%
Packaging: Original Siemens EL34 tube boxes.
Professional Tube Testing
This set was tested and certified by RoeTest V11 Professional Tube Testing System with the following result:
Tube 1:
Measured transconductance(GM): 10.25 mA/V - 93% (100% = 11.00 mA/V)
Measured plate current(IA): 92.69 mA - 93% (100% = 100 mA)
Tube 2:
Measured transconductance(GM): 10.37 mA/V - 94% (100% = 11.00 mA/V)
Measured plate current(IA): 95.32 mA - 95% (100% = 100 m
BWB/Telefunken Label Special Edition
Date codes:
Siemens internal code: 3104514
BWB code: 74-24
GM (Mutual Conductance) test result: 94% of NOS/NEW
Silkscreen: 100%
Packaging: Original Siemens EL34 tube boxes.
Professional Tube Testing
This set was tested and certified by RoeTest V11 Professional Tube Testing System with the following result:
Tube 1:
Measured transconductance(GM): 10.38 mA/V - 94% (100% = 11.00 mA/V)
Measured plate current(IA): 88.34 mA - 88% (100% = 100 mA)
Tube 2:
Measured transconductance(GM): 10.25 mA/V - 93% (100% = 11.00 mA/V)
Measured plate current(IA): 83.62 mA - 84% (100% = 100 mA)
NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.
