SUB T-20.39

Building instructions

Simply glue the boards together (butt-jointed). The chamfers on the baffle can be applied with a power jig or circular saw set to 45° or applied later using an orbital sander.

Next, cut out the openings for the drivers and the bass reflex tube. If an amplifier module is to be used, the cut-out required for fitting it is cut into the rear wall. If no amplifier unit is to be used, fit the ST 77 connection terminal in the rear wall.

Depending on how the amplifier module is built, it may be necessary to physically separate the loudspeaker space from the amplifier module. In this case, the cabinet will have to be made larger so as not to steal any space from the woofer enclosure.

Inner damping

The damping material is evenly distributed in the cabinet.

Component parts list for 1 box

Cabinets and ready-made speaker can be ordered from www.vc-mailorderservice.de.

Woofer	TIW 200 XS 8 Ohm	1 pc.
Bass reflex tube	BR 25.50 (full length)	1 pc.
Terminal	ST 77	1 pc.
Damping material	Polyester wool	2 bags
Wood screws	4 x 20 mm	10 pcs.
Cable	2 x 2,5 mm²	0,5 m

Cabinet parts list for 1 box

Parts	Size (mm)	Quantity
Material: 19 mm MDF or chipboard
Top and bottom panels	282 x 389	2
Side panels	396 x 389	2
Rear panel	396 x 320	1
Brace	358 x 100	1
Brace 2	282 x 100	1

Material: 22 mm MDF or wood
Front panel	396 x 320	1

Sketch

Characteristics and Sound

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