Rebranded Russian 5U4M /-5Z4

Tubes Asylum

Questions about tubes and gear that glows. FAQ

In Reply to: Is this 5AR4 Chinese ? posted by Orchardist on April 19, 2010 at 11:49:21:

This tube is not 5AR4. Too many Russian 5U4M-5Z4 tubes were sold with a bogus 5AR4 label by National and other stockists.
Here is another example:

Russian 5U4M on Ebay (Open in New Window)

Edits: 04/19/10

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Follow Ups Full Thread

Topic - Is this 5AR4 Chinese ? - Orchardist 11:49:21 04/19/10 (4)

RE: Is this 5AR4 Chinese ? - Michael Samra 06:58:37 04/21/10 (0)

RE: Is this 5AR4 Chinese ? - Palustris 09:05:15 04/20/10 (0)

Rebranded Russian 5U4M /-5Z4 - CV4109 12:34:13 04/19/10 (0)

RE: It be Russian and NOT a 5AR4... - Steve O 12:30:32 04/19/10 (0)

Follow Ups

Rebranded Russian 5U4M /-5Z4 - CV4109 12:34:13 04/19/10 (0)

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