![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/EL4ced4UEAAtOS2.jpg)
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.
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![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
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1:1 Clone Mcintosh Mc275 Hifi Tube Power Amplifier Motherboard Diy Amplifier Circuit Board Push-pull Class Ab 75w*2 - Operational Amplifier Chips - AliExpress
![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)
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![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
![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)