{"product_id":"re2-ym2203-project-re-birth-2nd-sound-card","title":"RE2-YM2203 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2203\u003c\/strong\u003e is a YM2203 (OPN) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the YM2203 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2203\u003c\/strong\u003e, also known as \u003cstrong\u003eOPN (FM Operator Type-N)\u003c\/strong\u003e, is a classic Yamaha FM synthesis chip combining \u003cstrong\u003e3 channels of 4-operator FM synthesis\u003c\/strong\u003e with a built-in \u003cstrong\u003e3-channel SSG (PSG)\u003c\/strong\u003e section — giving you both FM and square-wave sound from a single chip. It was famously used in NEC PC-88 and PC-98 computers, defining the sound of Japanese PC gaming throughout the 1980s.\u003c\/p\u003e\u003cp\u003eWith the RE2-YM2203, you can experience that iconic dual-voice character — warm FM tones layered with crisp PSG chiptune — driven by the authentic hardware chip, not emulation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YM2203 (OPN) — 3-channel FM + 3-channel SSG on one chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo PSG support\u003c\/strong\u003e with freely adjustable stereo configuration via 3-position switch (original design)\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN:\u003c\/strong\u003e YM2203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG\/SSG (built-in):\u003c\/strong\u003e AY8910-compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to the ps98-YM2203 schematic and pictures of the original rebirth module, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/p\u003e\u003cp\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe RE2-YM2203 features a clean, minimal appearance with the YM2203 chip logo and key parameters printed on the board. It uses the classic \u003cstrong\u003eNE5532\u003c\/strong\u003e universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/p\u003e\u003cp\u003eIn particular, \u003cstrong\u003eRE2-YM2203 supports stereo PSG\u003c\/strong\u003e, and the stereo configuration can be freely adjusted through the three-position switch. This is an original design not found on other modules — giving you creative control over the spatial character of your PSG sound.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation. This module honors that philosophy completely, making it both a functional audio tool and a piece of hardware worth studying — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113996308677,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-12T15_02_39.173Z-414635e5ccc6d9e0efd9d7696a3bdaa0_129fd366-aae2-40a5-ae79-c46ef4aed463.jpg?v=1776853109","url":"https:\/\/denjhang.myshopify.com\/products\/re2-ym2203-project-re-birth-2nd-sound-card","provider":"Denjhang's Retro Hardware","version":"1.0","type":"link"}