![foone🏳️⚧️ on Twitter: "@gleawlic There is at least one PC motherboard that came with a vacuum tube! And yes, it was extremely silly. https://t.co/rlHYRxm0zC" / Twitter foone🏳️⚧️ on Twitter: "@gleawlic There is at least one PC motherboard that came with a vacuum tube! And yes, it was extremely silly. https://t.co/rlHYRxm0zC" / Twitter](https://pbs.twimg.com/media/DqJP4P7U0AAC34L.jpg)
foone🏳️⚧️ on Twitter: "@gleawlic There is at least one PC motherboard that came with a vacuum tube! And yes, it was extremely silly. https://t.co/rlHYRxm0zC" / Twitter
![Amazon.com: Nixie Tube Clock Remote Control Board Motherboard PCBA Kits 6-Bit Digital Clock Fit for IN-12 IN-14 in-1 IN-18 QS30-1 Vacuum Tube, Handmade DIY Retro Desk Clock, NO Tubes : Tools & Amazon.com: Nixie Tube Clock Remote Control Board Motherboard PCBA Kits 6-Bit Digital Clock Fit for IN-12 IN-14 in-1 IN-18 QS30-1 Vacuum Tube, Handmade DIY Retro Desk Clock, NO Tubes : Tools &](https://m.media-amazon.com/images/I/71K9KwwY98L.jpg)
Amazon.com: Nixie Tube Clock Remote Control Board Motherboard PCBA Kits 6-Bit Digital Clock Fit for IN-12 IN-14 in-1 IN-18 QS30-1 Vacuum Tube, Handmade DIY Retro Desk Clock, NO Tubes : Tools &
![foone🏳️⚧️ on Twitter: "BTW the board is the AOpen AX4B-533 Tube, in case you'd like to research more. (I just realized I didn't say the name)" / Twitter foone🏳️⚧️ on Twitter: "BTW the board is the AOpen AX4B-533 Tube, in case you'd like to research more. (I just realized I didn't say the name)" / Twitter](https://pbs.twimg.com/media/Dr6dUkaV4AA2wlu.jpg)
foone🏳️⚧️ on Twitter: "BTW the board is the AOpen AX4B-533 Tube, in case you'd like to research more. (I just realized I didn't say the name)" / Twitter
![1:1 Clone Mcintosh Mc275 Hifi Tube Power Amplifier Motherboard Diy Amplifier Circuit Board Push-pull Class Ab 75w*2 - Operational Amplifier Chips - AliExpress 1:1 Clone Mcintosh Mc275 Hifi Tube Power Amplifier Motherboard Diy Amplifier Circuit Board Push-pull Class Ab 75w*2 - Operational Amplifier Chips - AliExpress](https://ae01.alicdn.com/kf/S0570acd1c4574d3fad723b4735f4ebd73/1-1-Clone-McIntosh-MC275-HIFI-Tube-Power-Amplifier-Motherboard-DIY-Amplifier-Circuit-Board-Push-pull.jpg_Q90.jpg_.webp)
1:1 Clone Mcintosh Mc275 Hifi Tube Power Amplifier Motherboard Diy Amplifier Circuit Board Push-pull Class Ab 75w*2 - Operational Amplifier Chips - AliExpress
![Close Up View Of Old Tv Motherboard Stock Photo - Download Image Now - Television Set, Vacuum Tube, Analog - iStock Close Up View Of Old Tv Motherboard Stock Photo - Download Image Now - Television Set, Vacuum Tube, Analog - iStock](https://media.istockphoto.com/id/1144172734/photo/close-up-view-of-old-tv-motherboard.jpg?s=1024x1024&w=is&k=20&c=zr4Fvg8b_PP_m5cdTbOzemmlNWpFeVge_gvAKc4dOJQ=)
Close Up View Of Old Tv Motherboard Stock Photo - Download Image Now - Television Set, Vacuum Tube, Analog - iStock
![foone🏳️⚧️ on Twitter: "So yeah. This motherboard has a vacuum-tube based pre-amp for the on-board sound card, with the intention of giving it "true analog sound", something no other motherboard can match. foone🏳️⚧️ on Twitter: "So yeah. This motherboard has a vacuum-tube based pre-amp for the on-board sound card, with the intention of giving it "true analog sound", something no other motherboard can match.](https://pbs.twimg.com/media/EL4dJhiUUAAd451.jpg)