Pro Audio Service provides workshop based and venue sound system repairs. We undertake professional electronic audio amplifier repairs to all types of electronic and electrical equipment from Guitar Amps, Bass Amps, Power Amplifiers, Valve Amps, Mixing desks, Powered Wedges, Speakers, Monitors, powered speaker systems, Instruments, keyboards and also repair ‘in house’ systems in Halls, Churches, Theatres, Venues and other Installations.

Yamaha Power Amplifier Repairs

Pro Audio Service limited has over 40 years experience in the music industry and undertake to provide a professional cost effective service. Modification and repair of guitar electrics, basses and pickups.

Electronic Repairs to Amplifiers


 Pro Audio can source parts for most makes of professional amplifier and are experienced in repairing both transistor and valve amplifiers to component level on most designs from class A to class H. We do not repair hifi amplifiers, receivers or CD players or consumer hifi , only professional equipment. We can fine tune your system to give optimum results. We will normally turnaround your repair within 7-10 working days.

Digital Valve matching and checking


Vintage and Modern valve guitar and bass amplifiers require matched valves to optimise performance and sound. Digitally matched or check vacuum valves using our computerised valve matching equipment. If you are unsure of the state of the valves, bring them in and they can be checked for you. Measurements include plate current, transconductance and gains for most common tubes.

Portable Appliance Testing

Specialised portable appliance (PAT) test for customers ( bands , entertainers, Djs ) with sensitivity to the nature of the equipment. Test provided that will not damage your valuable equipment and also free on site repairs where possible for failed items.

Speaker Repairs

speaker recone kit

Re-cones and re-foams to old and new speakers. Repairs to crossovers , cabinets, HF diaphragm replacement and fitting. Loudspeaker repairs up to 18″ speakers.