Author Archive | rowan

Acoustic image repair Class D amp repair

Acoustic Image repair – Clarus 1

It’s always interesting to get something in that’s a bit different – this was my first Acoustic Image repair. The amp is a Clarus 1, now discontinued. It’s a great bass amp in a very compact and lightweight form, made possible by the use of a Class D power stage. I’m a big fan of […]

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Active speaker repair powered speaker repair W-Audio PSR-8A

Active Speaker repair – W-Audio PSR-8A

I just came across my notes for an active speaker repair on a W-Audio PSR-8A monitor. It’s an affordable W-Audio PSR-8A that was being used in monitor duties by a Grantham based keyboard player. The job was competed last year, but I thought I’d blog about it now. The mains transformer had died. I replaced […]

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Ashdown 550 Touring Repair

Ashdown 550 Touring Repair

The first task for last week was an Ashdown 550 Touring Repair, brought in from a Newark customer bec because the amp wasn’t making any sound – actually it was making a very weak tinny sound. I like ‘no output’ or low output repairs – they’re often easy to fix. Fortunately this was the case […]

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Yamaha-bass-preamp-repair.png

Bass preamp repair – Yamaha RBX JP4

This recent bass preamp repair was for a friend, bass player for professional party band the soul thieves. The preamp came from one of his backup instruments. Identifying the circuit was a bit of puzzle due to conflicting information on the web. The bass preamp has bass and treble controls, a blend for the pickups, […]

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Wireless mic repair - line 6 XD-30

Wireless mic repair – Line 6 XD-V30

This wireless mic repair came in from the singer of Newark soul band the Acetones. Both units powered up but no sound came from the receiver when the mic was used. Upon investigation I discovered that the transmitter and receiver were able to communicate. They use 2.4GHz. The unit has 6 wireless channels, all of […]

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pa speaker repair

PA speaker repair – dB Arena 10

Last year I completed a PA speaker repair, I’ve just found the photos of the damaged crossover so I thought I’d blog the repair. The owner had bought a pair of these nice dB Arena 10 speakers from a disreputable eBay seller. One was working, but the other had a fried HF compression driver and […]

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