Four Sovtek EF86 tubes with testing information on the top of each box. Your testing system may give different results; this is normal and will not be a valid cause for a refund. All tubes are sold as is. Please message me if you have any questions or want more photos.
Item Tag: 6267
2 x 6267/EF86 Mullard/Hammond Tubes *Strong Matched Pair*#11
2 x 6267/EF86 Mullard Tubes. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. What were your tubes tested at?. Bogey(100%) = 2000 micromhos @ 3.0 mA +/- 10%.
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Tubes checked good on a B&K 667 Tube Tester.