The round-pin power cords used on older Hewlett-Packard and Dolby equipment  uses a connector called the PH-163.  

The round-pin power cords using the PH-163 connector come in two versions. The difference between the two versions is that the hot and neutral are reversed. The ground is always in the same centre position. (more…)

You’ve been asked to digitize recordings in your collection and don’t have any idea where to start. There are  several resources on this site which might be of use.  

What I use is shown on my facility page. That\’s one of the main reasons it is there. If I’m using it, it’s because I like it or it solves a problem for me. If I’m not using it, either I don’t have an opinion about it, won’t spring for it, or don’t like it. (more…)