정확한 덕트의 칫수를 알고자 합니다.
해석 부탁드립니다.
미리 감사드립니다.
width 400mm× depth 310mm× height 530mm| material thickness 18.0mm( baffle * the back side : pine . board .. reinforcement )
box capacity : approximately 47.5L duct opening area :21.3 flat person cm×4| port depth 12.0cm
duct also . frequency ( design price ):42.9Hz~58.8Hz
speaker installation opening size :PAX‐A20 specification *202mm
installation screw : pitch 225mm*. eyes nut (5mm) specification
![* multi duct composition *PIONEER[PAX-A20] for enclosure [47.5L|4 division ]*](https://auctions.c.yimg.jp/images.auctions.yahoo.co.jp/image/dr000/auc0304/users/3/8/7/9/wander51090-img600x400-1491222633lnss657150.jpg)