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Valvo

1x Valvo EF86 O-getter Mesh Plates - Hamburg 1960 8Y2 - Near NOS

1x Valvo EF86 O-getter Mesh Plates - Hamburg 1960 8Y2 - Near NOS

Regular price $68.00 USD
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Product Summary

Model: 1959 Valvo Hamburg EF86 6267 O-getter Mesh Plates (Made in Germany)

Soundlumia Tube Sound Rating9.0/10 - Excellent

1960s Hamburg production - The real King of Bass - Unparalleled musicality with great substance and weight in midrange presentation

Date codes: 8Y2 D0K (8Y2 = EF86 production gen #2, D = Hamburg, 0 = 1960, K = November)

GM (Mutual Conductance) test result: 95% NOS

Silkscreen: 95% - 100%

Packaging: New white tube boxes.

Professional Tube Testing

This set was tested and certified by RoeTest V11 tester with the following result: 

Tube 1: 

Measured transconductance (GM): 1.89 mA/V  - 95%  (100% = 2.0 mA/V)
Measured plate current (IA): 2.53 mA  - 84%  (100% = 3.0 mA)

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

Curve trace is also included in the original RoeTest report.
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