Dаn̈ıel Раršlow 🥧 on Nostr: npub15gsve…29ep4 Have you tested the vacuum tubes?npub15gsve0aw5a3jsns3cfeffv5s22r9gczrw8hf0pc9z949ewhyf5lqg29ep4 (npub15gs…9ep4) Have you tested the vacuum tubes?