Author Archive | rowan

Labgruppen repair lab1200c

LabGruppen repair – LAB1200C

This LabGruppen repair was actually for me! As is often the case with people in this trade, I never quite get round to repairing my own gear because I’m so busy with customer’s work. This LAB1200C power amp died with a spark and blown fuse at a New Year’s Eve gig with Newark soul and […]

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JHS pedal repair

JHS pedal repair – Sweet Tea V2

This is a JHS pedal repair for a good friend and guitarist who now works in London. It’s a two pedal overdrive. Its a Sweet Tea V2 – sounds great! The pedal had been damaged by the use of the wrong power supply. It was a fairly simple repair to complete. No schematics are available […]

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Blackstar HT100 repair

Blackstar HT100 repair

This Blackstar HT100 repair was completed for the co owner of an exciting new Grantham based venture ‘Melody Music Rooms’ in Grantham. Melody music rooms are a rehearsal space, recording facility and teaching space located on Westgate in Grantham . It’s the brainchild of a group of Lincolnshire and Nottinghamshire music teachers who wanted to […]

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Fender Hot Rod Deluxe Repair

Fender Hod Rod Deluxe Repair

This is the world’s most popular valve amp [citation needed], meaning I get a Hot Rod Deluxe Repair quite regularly. The amp has two common faults, which are well documented. The first, and most common is the grey ‘IC’ (Illinois capacitor) electrolytic caps which are prone to failure. Fender use these presumably because they’re the […]

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Peavey Classic 30 repair

Peavey Classic 30 repair –

This Peavey Classic 30 repair was a bit of a nightmare! It arrived with a fairly basic problem – the amp wouldn’t turn on. This was down to a loose screw. It held the mains fuse holder internally. When this came loose, the fuse holder was dangling in mid air and shorted mains directly to […]

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Line 6 DT25 repair

Sadly I’m sharing the story of a line 6 DT25 repair nightmare. The amp was blowing fuses. This was a relatively easy diagnosis despite a not very repair friendly construction. The power transformer was damaged, by a short, probably on the primary side. After a bit of research it appears that the line 6 DT25 […]

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Yamaha THR Repair

Yamaha THR repair – THR5

I thought I ought to document this Yamaha THR repair whilst I could still find the photos! The amp had fallen from a height and the DC power input socket was damaged. Simple enough job, or it should be! Yamaha supply a an external converter to convert the mains supply into useable DC, but they […]

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