Philips
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$88.50 USD
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Product Summary
Model: 1958 Philips EL84 6BQ5 (Made in Holland)
Soundlumia Tube Sound Rating: 9.0/10 - Outstanding
Date codes:
rX3 X8L (rX3 = EL84 Production Gen #3, X = Sittard, NL, 8 =1958, L = December)
GM (Mutual Conductance) test result: 77% of NOS/NEW
Silkscreen: 90% - 100%
Packaging: New white box
Professional Tube Testing
This set was tested and certified by RoeTest V11 tester with the following result:
Measured transconductance (GM): 8.75 mA/V - 77% (100% = 11.30 mA/V)
Measured plate current (IA): 38.17 mA - 80% (100% = 48mA)
NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.
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