ShoeBox-70.3:
Design by:
Type:
Driver:
Net volume:
Acoustic volume:
Fb:
Andreas Busse
Bass Reflex
CHR-70.3
ca. 6.75l
ca. 7l
59Hz
14,4cm
12cm
6cm
0,6cm
2cm
23cm
29cm
28cm
31,4cm
internal cleats for
fixing removable
back
Optional braces ∅1cm
12,4cm
11,7cm
13,1cm
12cm
2cm
10,1cm
6cm
13,1cm
7cm
9cm
7,2cm
A
R 0,6cm
11,7cm
10,1cm
6cm
A
12,4cm
6cm
7,2cm
A
A
B
Front
Front plate
1,2cm
1cm
rear view
Drawing uses 12mm material. Quality multi-ply recommended.
Front plate uses 6mm material.
Sandwich inclosure uses 4mm material.
1) cover walls with TYROFOAM 10.0 mm
2) stuff with SONOFIL
3) fill quarz sand in the sandwich hollow space
4) try a simple filter (0,39mH || 4Ω) in series
1cm
Optional braces ∅1cm
B