SONY PRA-5-275 MAGNETIC SOUND RECORDING TAPE Sony Corporation Product Description This product is the Sony "PRA-5-275" open-reel magnetic recording tape. It is 275 meters long, uses a 36-micron thick polyester base, and is splice-free, meaning it has no joints. This tape uses iron oxide as the magnetic material and is compatible with both stereo and monaural recordings, allowing for high-quality audio recording. According to the specifications, it allows for approximately 45 minutes of recording at a playback speed of 9.5cm/s. This is a vintage product aimed at professional users and audiophiles seeking high-quality sound recording. Thank you for viewing.