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Telefunken

1x Telefunken EL34 6CA7 - Wing Plates - Double O Getter - Ulm 1961 - Tests NOS

1x Telefunken EL34 6CA7 - Wing Plates - Double O Getter - Ulm 1961 - Tests NOS

$656.50 USD
$656.50 USD
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Product Summary

Model: 1961 Telefunken EL34 (Made in Germany)

Soundlumia Tube Sound Rating: 9.5/10 - Exceptional

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

Date codes: U 720193? (U=Ulm, 1 = 1961)

GM (Mutual Conductance) test result: 101% of NOS/NEW

Silkscreen: 90% - 100%

Packaging: NEW reproduction Telefunken 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): 11.13 mA/V - 101% (100% = 11.00 mA/V)

Measured plate current(IA): 97.79 mA  - 98% (100% = 100 mA)

NO shorts, leakage or gas. NO noise or microphonics.

Curve trace is also included in the original RoeTest report.

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