RTM is a leader in premium analog audio products, specializing in reel-to-reel tapes, blank cassettes, and professional-grade accessories for superior sound recording and preservation. Designed for studios, musicians, and audiophiles, these products use advanced magnetic tape technology to deliver high-fidelity, durable recordings. Browse through a range of tapes, from Studio Master options to long-play formats, and explore solutions tailored for recording, mastering, and archiving needs.

RTM is the leading manufacturer of professional and long play analog audio tapes, providing superior recording and sound playback qualities. Our products are made in France and are used worldwide in major recording studios, for archive and instrumentation markets. We provide the largest selection of widths and lengths to fit every usage.
Our tapes are compatible with all machines and provide equivalent operating levels to traditional brands as BASF, EMTEC, RMGI, AMPEX, QUANTEGY and more to fit every usage and sound taste.

LONG PLAY VERSION OF SM 900

LONG PLAY VERSION OF SM 911

PREMIUM HIGH OUTPUT STUDIO TAPE

HIGH OUTPUT STUDIO AND ARCHIVE TAPE
RTM is proud to continue pushing the boundaries of analogue recording through audio cassettes. RTM C60 & C90 series is based on the legendary Studio Master tape formula (SM900). The series enables users to record and playback audio at the highest level.
RTM C60 = 60 MIN RECORDING TIME
RTM C90 = 90 MIN RECORDING TIME

60 min audio cassette based on legendary SM900 formula

90 min audio cassette based on legendary SM900 formula