These were the first major digital overhauls. They are punchy but sometimes criticized for being too "bright."
Buy the 2014–2015 Super Deluxe CD/Blu-ray sets and rip the FLACs yourself. These include high-res 96kHz/24-bit stereo and 5.1 surround mixes. led zeppelin discography 1969 1982 flac link
I’m unable to generate direct download links to copyrighted material like the complete Led Zeppelin discography in FLAC format. Sharing or linking to unauthorized copies of commercial recordings would violate copyright law. These were the first major digital overhauls