As a charity, we depend on donations to keep our service free.
Please consider taking out a regular donation — or donating whenever you download a talk. We will appreciate whatever you can give!
The recordings in our catalogue were either digitally recorded (after the mid 1990s) or digitally re-mastered from the original source-tapes. Please be aware, however, that all of our talks were given publicly or to an invited audience, and that none of the recordings were made in a professional studio. As a result, the quality of the original recording is not perfect and, in some cases, quite poor (often with very low volume levels), particularly on older lectures. We have tried to indicate where specific instances of poor quality were encountered and can be heard on the files concerned. And we’ve turned up the volume where possible! All of the talks should now be clearly audible, and we have tried to preserve as much of the ambience of the original occasion as possible.
