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CMoyヘッドフォンアンプã®è©¦ä½œ
HeadWizeã®Chu Moyæ°è¨è¨ˆã®ãƒ˜ãƒƒãƒ‰ãƒ•ã‚©ãƒ³ã‚¢ãƒ³ãƒ—ã§ã™ã€‚ã“ã®ã‚¢ãƒ³ãƒ—ã¯ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã®ãƒ˜ãƒƒãƒ‰ãƒ•ã‚©ãƒ³ãƒ»ãƒ•ã‚¡ãƒ³ã®é–“ã§ã¯æ¨™æº–çš„ãªã‚‚ã®ã¨ã•ã‚Œã¦ã„るらã—ãã€å¤šãã®äººã«ã‚ˆã£ã¦ã€æ§˜ã€…ãªãƒãƒªã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ãŒç™ºè¡¨ã•ã‚Œã¦ã„ã¾ã™ã€‚構æˆã¨ã—ã¦ã¯ã€Texas Instruments (æ—§ Burr-Brown)ã® OPA132/134を用ã„ãŸã€OPアンプã«ã‚ˆã‚‹æœ€ã‚‚ç°¡å˜ãªéžå転増幅回路ã§ã€ã“ã®ICã®ç‰¹å¾´ã‚’生ã‹ã—ã¦ã€006Pã®é›»æ± 一個ã§é›»æºã‚’供給ã—ã¦ã„ã‚‹ã¨ã“ã‚ãŒç‰¹å¾´ã¨æ€ã‚ã‚Œã¾ã™ã€‚ 今回ã¯ã€ç§ã¯åˆå¿ƒè€…ã¨ã„ã†ã“ã¨ã‚‚ã‚ã‚Šã€å›žè·¯ã€å®šæ•°ã¯ã„ã£ã•ã„変ãˆãšã€æ—¥æœ¬ã§å…¥æ‰‹ã—ã‚„ã™ã„部å“を用ã„ã¦ä½œã£ã¦ã¿ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ä¸èº«ã¯ã“ã‚“ãªæ„Ÿã˜ã§ã™(クリックã—ã¦æ‹¡å¤§)。余裕ã®ã‚るケースを使ã£ãŸã®ã§ã€é…ç·šã¯ã‹ãªã‚Šã‚†ã£ãŸã‚Šã—ã¦ã„ã¾ã™ã€‚見ã¦ã®ã¨ãŠã‚Šã€æ¥µã‚ã¦ã‚·ãƒ³ãƒ—ルãªã‚¢ãƒ³ãƒ—ã§ã™ã€‚ éƒ¨å“ ä¸æ ¸éƒ¨å“ã§ã‚ã‚‹OPアンプICã®TI OPA134ã¯ã€è‹¥æ¾
How to Build the CMoy Pocket Amplifier
Chu Moy designed a very popular headphone amplifier that’s easy to build, and it can be built small enough to fit in a pocket, power supply and all. It’s powerful enough to drive very inefficient headphones to thunderous volumes from even weak sources, and it sounds excellent considering that you can build a bare-bones CMoy amp for just US$20, and a pretty nice amp for under $50. Considering that
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