A veteran member of the TDK audiotape family, D is superior normal bias recording media with a proven track record. It's ideally suited for everyday recording and applications where the same tape is frequently re-recorded and played. D is a workhorse, all purpose tape for your all purpose world. Use it for dubbing, archiving vinyl, recording radio talk shows or to capture just about any audio source. TDK's normal bias D is the world's most popular all purpose tape.