Earlier today I learned that Rupert had sadly passed away.

He leaves behind a huge legacy of equipment, knowledge and legendary recordings that were facilitated by the electronics he designed.

I was very fortunate to spend a couple of hours…

I may be wrong, but many of you reading this may not know this man.

So I have taken extracts from his Wikipedia article plus a 'Forgotten Heros' piece from Premier Guitar Magazine for the quotes in this article. Between…