Author Archive | rowan

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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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Hughes and Kettner tubemeister repair

Hughes and Kettner Tubemeister repair

I’ve wanted to do a tubemeister repair since they first came out a few years back. I guess it’s a testament to general quality that this is the first to appear on the bench. I’m a big fan of the design aesthetic. 3 channels and a midi switching amp for £550ish is a lot of […]

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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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Dunlop MC404 CAE Wah Pedal repair

Dunlop MC404 CAE Wah pedal repair

In October last year I fixed this wah pedal repair for a lincoln customer. The pedal would not turn on, possibly as a result of the user plugging the wrong power supply in. Often pedals aren’t economical to repair, but a unit like this is normally worth it. In this case it was a fairly […]

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smoke machine repair

Smoke machine repair

A smoke machine repair, brought to my Newark workshop by a Grantham based DJ. This is a fairly simple unit: A power supply, a thermostat and a relay to control the power to the smoke heater. There is also an external remote on a 6.5mm 3 pole jack cable. The customer was finding that the […]

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LED lighting repair - Safety Earth repair

LED lighting repair – Unbranded LED Parcan

This LED lighting repair was a bit of a horror story! Aside from fixing the problems with the two lights brought in, they needed several modifications to improve the unit safety. They were brought to me by a Grantham based DJ. One of the lights wouldn’t power up, whilst the other had a flicker on […]

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DJ mixer repair KAM 1500 Stock image

DJ Mixer Repair – Kam KAP1500 Audio Pro

This DJ Mixer repair was a bit of a departure for me, but I did it for an old customer. The mixer is getting a bit long in the tooth: the send and PFL (pre fade listen) buttons were intermittent, the faders were scratchy and an intermittent fault with the echo unit. The faders were […]

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