令和に真空管？アリエク1万円台オーディオアンプに思わず感動

Similar kits to the one I made this time: https://ja.aliexpress.com/item/100500... https://ja.aliexpress.com/item/100501... It seems best to start with a printed circuit board type kit. https://amzn.asia/d/0ghdG6P8 https://amzn.asia/d/0fKY5bps Please tell me anonymously about any gadgets you're interested in but haven't been able to buy yet. I'll review anything that looks interesting. ▶ https://marshmallow-qa.com/syf6kbydli... Additional Notes At the time of filming, the heater power supply wiring was incorrect. I received two electric shocks (DC240V) before attaching the discharge resistor. It seems I installed the VU meter incorrectly (it should be installed from the inside). The VU meter backlight is not wired. [Table of Contents] 00:00 Introducing a 10,000 yen vacuum tube amplifier kit 00:44 Contents 01:25 About vacuum tubes 02:29 Start of assembly part 03:00 Information on assembly procedure 03:37 Things I noticed during component installation 04:17 Attaching the side wooden boards 05:06 Wiring work (power supply and output) 06:24 Wiring work (input and amplification circuit) 07:41 Precautions for soldering 08:23 Finished! 09:11 Power on and test operation 09:30 Connecting the speaker...? 10:15 Cost-effective gadget ranking 11:33 Summary of this video *Some URLs in the description box contain affiliate advertisements. *For inquiries, please contact us via the email address in the channel details.