Theo Argiriadis designs, builds, repairs, and restores analogue electronic audio equipment especially amplifiers. Theo’s objectives in diagnosis and repair are performance and long-term reliability. He is a specialist in the restoration of vintage guitar and hifi amplifiers including the complete rebuilding of amps, and modification. Boutique guitar & bass amps are designed and hand built in the workshop - the first of which is the unique and innovative AAE single ended range. Also, unique AAE preamps, distortion, spring reverb and equalizer units for studio, live or home use. Custom design of hifi & preamps, phono, line and output stages.

Rees Electric Guitars repairs, restores and builds new electric guitars and basses, Rees Electric Guitars also offers upgrades for other related instruments.