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✔ $2 for 5pcs 2-layer / $5 for 5pcs 4-layer PCBs: https://jlcpcb.com The first series of the guitar tube preamp project. In this video, we will figure out how to power 6N2P radio tubes without a special huge anode-filament transformer, which is expensive to buy and hard to find. Full schematic of the preamplifier: https://drive.google.com/uc?id=1BpOCX... ???? Support the production of the video by becoming a sponsor: https://boosty.to/hidev ???? My equipment: https://www.hi-dev.ru/ali/moe-oborudo... ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ SEE ALSO ▽ ► What is a capacitor: • Capacitors in electronics. The most pon... ► What is inductance: • Inductor. Why do you need and ... ► Step-down converters: • Step-down voltage converter... ► Step-up converters: • Step-up voltage converter... ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ CONTACTS ▽ ▶ Yandex.Zen: https://zen.yandex.ru/hidev ➦ Our website: www.hi-dev.ru/ ☺ VK group: vk.com/hidevru ➣ Telegram channel: t.me/hidevidson ???? For advertising and cooperation: [email protected]