Three pair of 5U4 rectifier tubesTwo USA Tungsol tubes with marking on the bases of 322NV3 and 322NW3. Test numbers from Audio Connection in Seattle some years ago are 27.5/28.5 and 27.5/27.5. Not used after the testing. Two Electro Harmonix 5U4GB tubes bought tested and matched from Jim McShane and never used. In original boxes. Test markings on both the boxes from Jim are AVO 120+. Two Russian tubes with markings 5U3C, OTK 1 and 90 10. Tested good at Audio Connection and not used since. $30 for all three pair with free shipping. If they don’t work for you send them back and I’ll refund your money.
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