Marshall DSL40C now has a new matched pair of EL34…

Marshall DSL40C now has a new matched pair of EL34…

Marshall DSL40C now has a new matched pair of EL34 output tubes installed & re-biased for correct operation. #bridgnorthbusiness #shropshirebusiness #guitartech #amplifierrepair #audiorepair #audioservice #amprepair #marshallamps #marshallamplification #marshallamps_uk #marshallamplifiers #marshalldsl40c View this post on Facebook

The Boss FT2 filter pedal (1986 auto wah}) came in…

The Boss FT2 filter pedal (1986 auto wah}) came in…

The Boss FT2 filter pedal (1986 auto wah}) came in for attention to the potentiometers. Removed depleted 9v battery. Stripped & cleaned with the addition of the most suitable knob replacement I had for the missing one & she is good to go. #bridgnorthbusiness #shropshirebusiness #guitartech #audioservice #audiorepair #bosspedals #effectspedals #bossft2 #autowah #vintagepedals #vintagepedal #guitarpedals […]

Samson Rubicon R5a monitor with DC on the output c…

Samson Rubicon R5a monitor with DC on the output c…

Samson Rubicon R5a monitor with DC on the output causing huge cone displacement when powered up. Removal of the amplifier pcb for inspection revealed multiple dry joints, so many I have reflowed all single leg pads. Second image of the pcb profile shows it to be curved not flat. Will have to pay attention when […]

Samson Rubicon R5a monitor diagnostic reveals an a…

Samson Rubicon R5a monitor diagnostic reveals an a…

Samson Rubicon R5a monitor diagnostic reveals an amplifier issue manifesting as DC on the output of the low frequency amplifier. The 5″ cone is hugely displaced immediately on application of power. A quick Google search revealed that this is a recognised fault on these monitors. That particular case was bad soldering apparently & as reported […]

Samson C-Control monitor control had dirty switche…

Samson C-Control monitor control had dirty switche…

Samson C-Control monitor control had dirty switches that were causing incorrect functionality. A sticky talkback button was causing feedback & a monitor pair select button was not working correctly in tandem with one of the other buttons in a correct A/B operation. Fix for all issues was to strip the facia & wash out the […]

Marshall DSL40C dropped off @shrop.rock.doctor tod…

Marshall DSL40C dropped off @shrop.rock.doctor tod…

Marshall DSL40C dropped off @shrop.rock.doctor today reported as making noises. Bias probes showed badly mismatched bias readings. Tapping the powered output tubes resulted in scary noises 😱 in addition to the random crackles & farts the amp was outputting without prompting. New tubes going in. #bridgnorthbusiness #shropshirebusiness #guitartech #amplifierrepair #audiorepair #audioservice #amprepair #marshallamps #marshallamplification #marshallamps_uk […]

Boss FT2 Dynamic Filter pedal dropped off @shrop.r…

Boss FT2 Dynamic Filter pedal dropped off @shrop.r…

Boss FT2 Dynamic Filter pedal dropped off @shrop.rock.doctor for a potentiometer service. #bridgnorthbusiness #shropshirebusiness #guitartech #audioservice #audiorepair #bosspedals #effectspedals #bossft2 #guitarpedals #bosseffectspedals View this post on Facebook

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