Music and audio
2 guides
Eagles Hell Freezes Over on vinyl: finding and verifying the original 1994 LPThe 1994 Geffen double LP of Hell Freezes Over: catalogue and matrix details from Discogs, how it differs from the Simply Vinyl reissue, and how to check a copy.
Voskhod 6N23P (6Н23П) tubes: equivalents, compatibility and buying notesThe Soviet 6N23P double triode is the 6DJ8/ECC88/6922 family. Heater and base data, what it can replace, what it cannot, and how to judge Voskhod versus Reflektor.