Category: Electronics Repair

ADA MP-1 Rebuild

Anyone that grew up in the ’80s as a guitarist knows about the ADA MP-1 and how it was used by the top guitarists of that era. The ADA MP-1 is a classic rack mount tube preamp that features an

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NAD 7020 Receiver Refurbish

In recent months I got back into just listening to music, no distractions, just enjoying it. I got my old Sony PS-X45 turntable back up and running again but the Yamaha integrated amp’s phono stage was disappointing and the Yamaha,

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Reverb footswitching on Marshall DSL JCM2000

Here’s a simple problem that I came across on a Marshall JCM2000 DSL amplifier:¬†The Reverb works fine but when plugging in a footswitch to the Reverb jack, you cannot turn it on or off. It could also be the other

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Yamaha RA-100 Rotating Speaker Organ Amp

A while back, I found this Yamaha RA-100 organ amplifier in the local ads. I didn’t think much of it but I thought it was very¬†interesting with its dual rotating speakers. It seemed to be in rough shape but the

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1997 Marshall JCM2000 DSL 50 Loop Repair

  My trusty old Marshall DSL 50 has been my #1 amp since I bought it in 1997. This amp is part of the 1st production run and I got to try it out pretty much as soon as they

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Alesis Multimix Hum Repair

I bought this little Alesis firewire mixer for home use and recording multiple tracks to a Macbook. It has served me well over the years. The sound quality is decent for its price point. Over the years, the overall level

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