Valve HiFi Repair

Amp repair Kits

Hot rod deluxe Repair Kit

More Valves/Tubes

Vintage Big Muff Pi repair (Triangle PCB era) 22/10/2025
Marshall DSL40CR weak reverb modification 15/10/2025
Marshall DSL40CR 15/10/2025
WEM Copicat Tape Echo Repair 25/11/2024
Hughes & Kettner Switchblade Amp Repair 21/11/2024
AER Compact repair 18/11/2024
Line 6 Helix Ground Loop issue when using the amp channel switcher 08/10/2024
Seymour Duncan Powerstage 170 Repair 17/05/2024
Valve Amp Workshop Spec Suggestions 01/11/2023
Roland RH-1 RH1 power supply for Roland JV2080 repair 11/10/2022
Midi For Guitarists 17/06/2022
Keld Ampworks’ Fluffy Green Policy 09/03/2022
Behringer XR18 repair (digital mixer repair) 08/06/2021
Philips MyLiving Fremont LED light repair 07/02/2021
Fault finding in audio equipment 08/09/2020
Lead Free Solder in guitar amps and the audio industry. 08/07/2020
Mains voltage in the UK and the EU – and what it means for guitar amps. 08/07/2020
Covid-19 (Coronavirus) Update: Customer safety and and changes to service. (Updated 03/09/21) 12/05/2020
ENGL amp repair – Screamer 50 11/12/2018
LabGruppen repair – LAB1200C 25/10/2018

Keld Ampworks Guitar Amp Repair