Having the PDF and pristine audio is 50% of the battle. Here is a step-by-step protocol to make the "without pain" promise a reality.
If you already own a physical copy, digitizing it for personal use (scanning the PDF and ripping CDs to 320kbps MP3) is generally accepted as "format shifting." That is the only legal way to create your own "extra quality" pack. Having the PDF and pristine audio is 50% of the battle
If you are looking for specific older editions or "useful posts" analyzing the quality of various versions, these platforms are frequently cited by language learners: Assimil Anglais Americain Sans Peine Livre | PDF - Scribd If you are looking for specific older editions
With high-quality audio, you can slow down the playback (on VLC or YouTube) to 0.75x without losing clarity. This allows you to hear the glottal stops in "button" (American English drops the 't' sound) or the flap T in "water" (sounds like "wadder"). Having the PDF and pristine audio is 50% of the battle
Les leçons s'appuient sur des scènes de la vie quotidienne, pleines d'humour et d'expressions idiomatiques typiquement américaines.