Mesa Baron and Mesa Boogie are brand names of Mesa Engineering. They are another of the makers of quality audio and music equipment that have tubes made to their exacting specifications. The opening picture and the one below are different views of the same box. Tube writing is white. Some versions use the Mesa logo, others just have Mesa written in plain text.

Check out their home page: Mesa Engineering

Special thanks to Damon Limeback for this one. The 12AT7/ECC81 STR tube I have for sale was oringinally part of his collection.

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