粉丝页 https://tinyurl.com/3pwkcwpw 这颗音箱基本上普遍的评价都是低频太多， 国外改机第一部通常是换一个单体， 我挑了一颗Pioneer车用三分音单体， 顺便记录一下更换前後的频率响应， 有网盖跟没网盖分别各测一次 https://i.imgur.com/knVthXc.jpeg https://i.imgur.com/q3lh6cF.jpeg https://i.imgur.com/QONg4UY.jpeg https://i.imgur.com/fsl73FC.jpeg https://i.imgur.com/ZL0ubpP.jpeg https://i.imgur.com/hkaVQY9.jpeg https://i.imgur.com/vjEAvZM.jpeg Positive Grid Spark 40 mods with Pioneer TS-R1051S Frequency Response Result https://i.imgur.com/wEOayyO.png Red: Pioneer without Grill https://i.imgur.com/1T8um7d.png Purple: Pioneer with Grill https://i.imgur.com/4NXcD20.png Green: Original without Grill https://i.imgur.com/0IsVcnI.png Blue: Original with Grill https://i.imgur.com/VX6CV95.png 堆叠比较 https://i.imgur.com/uzV7D7c.png 错开比较 Equipment Microphone: miniDSP UMIK-2 Software: REW https://i.imgur.com/RHQiPVv.jpeg --

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