Telefunken
Prix habituel
$212.50 USD
Prix habituel
Prix promotionnel
$212.50 USD
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Product Summary
Model: Telefunken EF804S Labormuster (Made in Germany)
Soundlumia Tube Sound Rating: 9.5/10 - Outstanding
Unparalleled sound characteristics and superb build quality - True holographic sound stage with layered details and ultra clarity
GM (Mutual Conductance) test result: 86% of NOS/NEW
Silkscreen: 90% - 100%
Packaging: NEW white 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): 1.71 mA/V - 86% (100% = 2.00 mA/V)
Measured plate current(IA): 2.365 mA - 79% (100% = 3 mA)
NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.
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