Source:
soundboard > cassette master (recording deck probably a Sony TCK777) (TDK MA90 metal bias cassette with Dolby B on)
Lineage:
JVC KD-V6 (playback, with Dolby off) > Sek'd Prodif Plus soundcard > Sound Forge 8 (24 bit, normalize, fade in and out, track splits, bit depth conversion) > 16 bit .wav files > FLAC level 8 encoding align on sector boundaries.