Tube Works offers a number of services for guitar tube amps including repair, modification including component upgrades and circuit upgrades, biasing and more. We can restore your your amp to its proper working condition and for certain amp models we can significantly improve tone with component upgrades and circuit changes. Tone can be tailored to your preferences and musical style. Even if you are looking for a service that is not listed here, check with us. Chances are we can provide it. Click More… on any of our services listed on the left side of this page for additional information about what we do.