Vox AC30C2: tracing power-supply buzz
A failed reservoir capacitor was identified through power-supply measurements. The repair was followed by controlled power-up, valve checks and a play test.
Read the AC30 case study →Repair case studies
Real faults. Recorded findings.
These workshop accounts explain what was found, what work was carried out and how the result was checked. Each is based on a completed bench report.
Discuss your repairGuitar and amplifier work
From the Guitar Doctor UK bench.
Harmony Rocket: repairs and setup
Bridge repairs, neck geometry, careful cleaning and a setup that brought a comfortable playing feel to this hollow-body guitar.
Read the Harmony case study →Martin acoustic: LR Baggs Anthem installation
Fitting a pickup system, preserving the action and resolving an undersaddle pickup fault before the guitar was returned.
Read the Martin case study →Start with a conversation
Tell me what needs attention.
Send the make, model and symptoms, or book a workshop appointment. Discuss courier arrangements before sending an amplifier.
Workshop visits by appointment · Lowestoft, Suffolk