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Telefunken

Telefunken EF86 6267 Matched Pair - BWB "Falcon" ◇ Base - Same Code - Near NOS

Telefunken EF86 6267 Matched Pair - BWB "Falcon" ◇ Base - Same Code - Near NOS

$237.90 USD
$237.90 USD
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Product Summary

Model: Telefunken EF86 6267 (Made in Germany)

Soundlumia Tube Sound Rating: 9.5/10 - Outstanding 

German production - BWB Falcon - Unparalleled sound characteristics and superb build quality - True holographic sound stage with layered details and ultra clarity

Date code: BWB code: 72-06
 
GM (Mutual Conductance) test result: 92%/90% NOS

Silkscreen: 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): 1.85 mA/V - 92% (100% = 2.00 mA/V)
Measured plate current(IA): 2.5 mA  - 83% (100% = 3 mA)

Tube 2:

Measured transconductance(GM): 1.8 mA/V - 90% (100% = 2.00 mA/V)
Measured plate current(IA): 2.68 mA  - 89% (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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