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Philips

1x Philips EF86 6267 D-getter Mesh Plates - Sittard, NL 1958 BY2 - Near NOS

1x Philips EF86 6267 D-getter Mesh Plates - Sittard, NL 1958 BY2 - Near NOS

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Product Summary

Model: 1958 Philips EF86 6267 D-getter Mesh Plates (Made in Netherlands)

Soundlumia Tube Sound Rating9.0/10 - Excellent

1950s Hamburg production - The real King of Bass - Unparalleled musicality with great substance and weight in midrange presentation

Date codes: BY2 X8H (BY2 = EF86 6267 production gen. 2, X = Sittard NL, 8 = 1958, H = August)

GM (Mutual Conductance) test result: 92% 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): 1.84 mA/V  - 92%  (100% = 2.0 mA/V)
Measured plate current (IA): 3.077 mA  - 103%  (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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