Y3GT BLACK PLATE STRONG VACUUM TUBE FENDER AMP VTG NOS NIB RCA 5Y3GT Rectifier Tube USA Black Plate tests perfect (qty. NOS 5Y3GT Used. () No Reviews yet. USD $ Each. Information & Articles. Preamp Tube Gain Factor · Vacuum Tube Basics · Power Tube Matching · The. Groove Tubes ® GT-5Y3 Rectifier. $ GT-5Y3. Jj 5y3s 2. JJ 5Y3S Rectifier Vacuum Tube Sovtek 5Y3GT Rectifier Vacuum Tube.

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This tube is a Black Plate with a Bottom rectangular Getters. Mine doesn’t look nearly as clean as yours! Not a surprising value, but a bit high, nonetheless. We are always looking to buy more tubes. Very nice new old stock RCA rectifier Tubes.

I have described the condition as well as I can, inspect provided photos carefully. You must log in or sign up to reply tubd. Ah, ok I tubbe that if you wire it that way you can use other rectifiers.


Tested for emission,GM,gas,shorts and leakage.

5Y3 Rectifier Tube…Please Help?

Strong testing with good balance. Shorts, Gas, Grid Emissions-None.

If they do not, I will work with you to make it right. I ensure that your tubes will make it to you safe and sound. Skip to main content. GeezerMar 10, Matching redtifier and matching date codes.

5j3 Large collections, small collections, it doesn’t matter. It has smooth black plates and a foil getter. This page was last updated: I thought I could get away with using the original reissue 4 ohm Champ tranny.

What a great looking amp! Identical date codes. Made in the USA!

5Y3 Rectifier Tubes | MESA/Boogie®

HammerhandsMar 9, Yes, my password is: Search Forums Recent Posts. I’m sure that will fix the voltages. This is very importan. Low Side Open D Getter. Local pickup is OK. I think I have it narrowed down to the output tranny. I tried to cheap my way through by trying to use the original OP tranny, but obviously the resistance and voltage are WAY different.


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Which transformer do you have? This is a mutual conductance tester. This tube is NOS and new in the box. This one says the voltages stay high until the power tubes heat up. GeezerMar 8, Tubes passed ALL tests. We strive to make this happen! Looking forward to hearing from you, Dan. I’ve read where the voltages will read high until the whole circuit is complete.