A DC PSX like power socket for Mission Cyrus One

My Mission Cyrus One amplifier does not have the DC Power socket that you find on the Cyrus Two for attachment of a PSX external power supply. It would be just above the logo next to the tape out socket, but here it is clearly missing.

Cyrus One sans DC Socket
Cyrus One sans DC Socket

The amplifiers are similar, so perhaps I could fit a socket to my Cyrus One? But is it a good idea? Continue reading “A DC PSX like power socket for Mission Cyrus One”

Mission Cyrus selector switches. What’s inside.

The input selector switches on the Mission Cyrus amplifier deteriorate over time like any switch. Unfortunately their unique construction make them difficult to clean and impossible to replace.

Cyrus One selector Switches

I have always shied clear of any attempt to strip the switches down, knowing that I couldn’t source replacements if it all went wrong. However, a recent mains transformer fail put me in a place where I had nothing to lose. So, in I went. This is what I found Continue reading “Mission Cyrus selector switches. What’s inside.”