Unverified80% confidenceCautionTime unknown
桌面深度不足50cm时不建议买后倒相孔(后置低音开孔)的音箱，音箱贴墙摆放会导致低频过量、声音浑浊，此时选前倒相孔或密闭箱设计
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified后置低频反射孔（倒相孔）的音箱需距离墙面至少20-30cm，否则低频会大幅增强失真；桌子贴墙摆放应选前置倒相孔或密闭式设计86% similarUnverified小空间桌面（<3米听距）不建议买带独立低音炮或大口径低音单元的落地/大书架小众箱，近场大低音驻波严重、轰头，反而糊掉中频83% similarUnverified小众密闭式箱体低频下潜浅但收得快、失真低、摆位宽容；倒相式(带导管)低频量感足下潜深但对摆位敏感，靠墙易嗡，桌面首选密闭81% similarUnverified低频下潜与音箱物理体积强相关，被动辐射器或倒相孔设计能弥补但不能替代箱体容积，追求低音的用户避开直径小于7cm的圆柱形微型音箱80% similarUnverified客厅面积＜15㎡不建议上6.5"以上大落地箱，低频驻波会导致轰头浑浊，反而不如调校好的书架箱+低音炮干净80% similar
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