Unverified84% confidenceFactTime unknown
监听音箱前障板端口(前置倒相孔)比后置倒相孔更适合贴墙摆放的小空间，后置端口离墙需≥30cm否则低频轰头
1
Sources
84%
Confidence
Long-term
Relevance
-
First Seen
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Unverified倒相孔（低音反射孔）朝后的音箱需要离墙5-15cm摆放，桌面贴墙摆会导致低频过量浑浊；空间不足选前置倒相孔或密闭箱设计85% similarUnverified落地箱与聆听位背墙距离建议≥30-50cm，后倒相孔设计的落地箱贴墙摆放会导致低频轰头、驻波严重，选箱前先确认摆位空间84% similarUnverified桌面深度＜50cm时优先选前出低音孔（front port）的有源箱，后出孔机型贴墙摆放会因反射造成低频浑浊，需离墙≥10cm，小桌面难以满足80% similarUnverified内部有效空间进深≥30cm、宽度≥40cm才能容纳大振膜电容麦+防喷罩+悬臂支架，进深不足会导致麦克风离后壁过近产生近场反射，反而增加混响77% similarUnverified选购前需实测机柜外框尺寸并预留至少3-5cm间隙用于线缆出口和空气流通，软性布罩需选带底部束口和线缆开孔的款式，硬质罩需确认内部有效空间大于设备总高75% similar
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