MAM-A (Mitsui) DIGITAL-AUDIO GOLD INKJET/GOLD 74-Minute CD-R's 50-Pak in Cakebox ARCHIVAL GRADE 74 Minute Gold Inkjet Printable/Gold Digital-Audio CD-R Media. MAM-A brand. These are the media needed for recording on Philips, Pioneer, Harman/Kardon, JVC & Marantz (and others) brands of home CD-Recorders. Known as Digital-Audio, these are the media supported by consumer audio-only cd-to-cd home recorders. These consumer audio-only CD-R discs meet the standards of the Audio Home Recording Act (AHRA) of 1992, which requires a royalty to be paid by the disc manufacturer to the music industry. These CD-R's support the Serial Copy Management System Thanks to Mitsui's patented organic Phthalocyanine dye, the most technically advanced dye in the world, and to the Gold reflective layer, MAM-A Gold CD-R gives an optimum recording quality and an unequaled precision. These characteristics make MAM-A Gold the ideal professional CD-R for mastering and professional archiving. Unlike CD-Rs containing Cyanine, which lose their characteristics more quickly from exposure to light and heat, MAM-A Gold CD-Rs ensure stability, exceptional longevity and d