Super high-quality sound by Russian IV-3A
IV-3A is well know as 7-segment VFD, but not so many people think it as audio TRIODE? Here it is!!!
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![Безмолвный крик [супер качество] (silent scream [high quality])](https://sun9-61.userapi.com/1FsPmFMTe1cVTHoEKjuWasoW5RPYpb_oMoMvBA/vqABqyAJRbs.jpg)
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![Unravel - Tokyo Ghoul OP [Piano]](https://sun9-35.userapi.com/BOewPT8xlc6967i5o4BBjkDjrkJWQ2FB_1MgEA/eBhgIlMzAYE.jpg)