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Telefunken

1x Telefunken EF86 6267 Silver Shields Red Tip - ◇ Bottom - Ulm 1962 - NOS

1x Telefunken EF86 6267 Silver Shields Red Tip - ◇ Bottom - Ulm 1962 - NOS

$174.60 USD
$174.60 USD
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Product Summary

Model: 1962 Telefunken EF86 6267 Silver Shields Red Tip (Made in Germany)

Soundlumia Tube Sound Rating: 9.5/10 - Outstanding 

Early 1960s Ulm, Germany production - Unparalleled sound characteristics and superb build quality - True holographic sound stage with layered details and ultra clarity

Date code: U2112104 (U = Ulm, 2 = 1962)
 
GM (Mutual Conductance) test result: 98% NOS

Silkscreen: 100%

Packaging: NEW reproduction Telefunken tube box.

Professional Tube Testing


Tube 1:

Measured transconductance(GM): 1.95 mA/V - 98% (100% = 2.00 mA/V)
Measured plate current(IA): 2.942 mA  - 98% (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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