I recently retubed my VT-100mkIII. At first it didn't sound good at all. Now that I have put about 150 hours on
the amp it sounds as good as ever. Make sure when you retube the amp to use matched sets of tubes that have been tested for at least 24 hours.
the amp it sounds as good as ever. Make sure when you retube the amp to use matched sets of tubes that have been tested for at least 24 hours.