Telefunken
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$98.75 USD
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Product Summary
Model: 1960s Telefunken EF86 6267 Silver Shields (Made in Germany)
Soundlumia Tube Sound Rating: 9.5/10 - Outstanding
1960s Ulm, Germany production - Unparalleled sound characteristics and superb build quality - True holographic sound stage with layered details and ultra clarity
Date code: Unknown
GM (Mutual Conductance) test result: 107% NOS
Silkscreen: 100%
Packaging: NEW white tube boxes.
Professional Tube Testing
Tube 1:
Measured transconductance(GM): 2.14 mA/V - 107% (100% = 2.00 mA/V)
Measured plate current(IA): 3.025 mA - 101% (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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