Philips
通常価格
$152.00 USD
通常価格
セール価格
$152.00 USD
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Product Summary
Model: 1958 Philips EF86 6267 D-getter Mesh Plates (Made in Netherlands)
Soundlumia Tube Sound Rating: 9.0/10 - 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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