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.
![真空管マザーボード Aopen AX4GE Tube Japan Socket478 Pentium4 Willamette Northwood 対応 ATXマザーボード www.distribella.com 真空管マザーボード Aopen AX4GE Tube Japan Socket478 Pentium4 Willamette Northwood 対応 ATXマザーボード www.distribella.com](https://auctions.c.yimg.jp/images.auctions.yahoo.co.jp/image/dr000/auc0305/users/d7b15c14a7a4f537d91f7618efe7cb353fec1720/i-img1200x1200-1653226521k3a5gl192109.jpg)
真空管マザーボード Aopen AX4GE Tube Japan Socket478 Pentium4 Willamette Northwood 対応 ATXマザーボード www.distribella.com
![foone🏳️⚧️ on Twitter: "This is the AOpen AX4b-533 Tube. Wait, Tube? https://t.co/iLA1XPT7je" / Twitter foone🏳️⚧️ on Twitter: "This is the AOpen AX4b-533 Tube. Wait, Tube? https://t.co/iLA1XPT7je" / Twitter](https://pbs.twimg.com/media/EL4ced4UEAAtOS2.jpg)
foone🏳️⚧️ on Twitter: "This is the AOpen AX4b-533 Tube. Wait, Tube? https://t.co/iLA1XPT7je" / 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: "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
![AOpen AX4B-533 Tube Vaccum Tube Motherboard(AOpen)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com) AOpen AX4B-533 Tube Vaccum Tube Motherboard(AOpen)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com)](https://auctions.afimg.jp/h1038911571/ya/image/h1038911571.2.jpg)