DO NOT use anything damp on the EL34 or 5AR4 lettering...

Vintage Asylum

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In Reply to: RE: Cleaning Tubes w/o Destroying Stenciling posted by 6bq5 on January 20, 2016 at 11:09:22:

...white Mullard lettering is extremely fragile: etched date codes much less so.

I use a soft brush in vicinity of lettering to revmove surface dust and a damp rag for remainder of tube. A slightly damp Q-tip can be used in areas close to lettering but don't let it touch the lettering itself. As always, test cleaning process in an inconspicuous area first and use great care if you want to maintain Mullard lettering.

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Follow Ups Full Thread

Topic - Cleaning Tubes w/o Destroying Stenciling - Charlie8521 04:45:08 01/20/16 (3)

RE: Cleaning Tubes w/o Destroying Stenciling - The Dill 04:35:07 01/21/16 (0)

RE: Cleaning Tubes w/o Destroying Stenciling - 6bq5 11:09:22 01/20/16 (1)

DO NOT use anything damp on the EL34 or 5AR4 lettering... - Steve O 12:37:47 01/20/16 (0)

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DO NOT use anything damp on the EL34 or 5AR4 lettering... - Steve O 12:37:47 01/20/16 (0)

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