As a service center for nearly every major pro audio and amplifier manufacturer, VST is fully equipped with the knowledge and tools to improve the sound and tone of your amplifier.  With over 30 years of repair and engineering experience in the pro audio industry, and a working history with SWR and Groove Tubes,  our head amp technician is a guru of amplification and tube technology.

          VST is a Groove Tubes dealer and a member of the the Mercury Magnetics Service and Support Network Program.  Groove tubes is widely respected as the most high quality tube manufacturer in the industry and has a long history of providing the biggest names in music with their products.  Mercury Magnetics is a transformer manufacturer whose superior design and quality have built them a reputation among amp manufacturers, audiophiles, and amp aficionados.  Together with our extensive knowledge and respect for quality and tone, VST, Mercury Magnetics transformers, and Groove Tubes can help you get the most out of your amp. 

     Call 626-794-8196 for details or to speak with our head amp technician

      about what can be done to your amp to maximize

         the quality and tonality of your favorite amp.