Seth´s Articles

Beard P100

Beard P100

Now some people say these amplifiers were unreliable. From a personal view, I like them. They sound nice, well made and have a good damping factor, controlling big speakers well.  Ok, this had a few ...

Air Conditioning Controller

Air Conditioning Controller

I do a lot of work with other engineers, an example being Colin Baldwin of Cool Solutions. In this climate, it is very common to see electronic gear damaged by illegal occupants. this is a classic ...

BK Tube tester

BK Tube tester

sadly, we don't have to use this too much these days. The odd old TV comes in from time to time, sometimes donated by a nice customers. There have been times when I have been offered a large non ...

Trusted AVO valve tester

Trusted AVO valve tester

Specialising in vintage valve equipment restoration, where would we be without the trusted industry standard valve tester? I bought this in the early '8os for about £30 if I remember. If I had to ...

Fostex 80

Fostex 80

This machine belongs to a great musician living here in Spain, Rob Neild. Although the machine powered up, no transport operation was present. Looking at the main board, there had been a small ...

Revox B77 Tape recorder

Revox B77 Tape recorder

Nice machines and very desired. I use one as part of my HiFi system. This machine came in having not been used for several years. The pinch roller was the most obvious fault. One of the green ones, ...

Portable 405 line TV

Portable 405 line TV

https://www.youtube.com/watch?v=uZItD4_NY5ESaw this little set on a skip and thought poor thing needs some help. Being a portable set, I guess it would not have been used as a main TV therefore it’s ...

Pinball Machine

Pinball Machine

Dating back to the 70s. Mechanical faults, processor board interconnection problems, power supply and EPROMs having lost their memory. A big struggle to get working correctly. At least we had fun in ...

An interesting project

An interesting project

Here is an interesting project. A client asked me if I could make a power supply for a coil. Okay was the reply, but I wanted more information obviously. After a couple of hours conversation and ...

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