Tag Archives: DIY

Dolby B and Rack Mounts

Posted on 19 November 2020 by Frederick R. Vobbe

Introduction I received my first tape recorder in the summer of 1964. It was an RCA 7″ reel, half track mono, which ran at 17/8, 3-3/4, and 7-1/2 IPS. I recorded radio station broadcasts, and copy borrowed 45s to record … Continue reading →

Posted in DIY | Tagged , , , , , , , , , , , , , , , , | Leave a comment

Tape Machine R. C. – Part 1

Posted on 2 February 2014 by Frederick R. Vobbe

This project came about when I tried to find a remote control panel for a Panasonic video tape recorder at work. I soon realized that other machines, even my own Otari MX5050B-II didn’t have a way to be operated from … Continue reading →

Posted in Building | Tagged , , , , , , , | Leave a comment

Single End Power Supply

Posted on 2 September 2013 by Frederick R. Vobbe

Need a small power supply for a project? This one is based on the LM340 or 78xx series regulator. It can be constructed for +5, +6, +9, +12, +15, +18, or +24 volts DC. This supply was initially designed for … Continue reading →

Posted in Building | Tagged , , , , , , , , , , , , , , | Leave a comment