For SMD DIY-ers here is my design of pcb. Resistors and capacitors are 1206
package and C (6mm) for tatntalum capacitors. The pcb is suitable for those who
will not install additional EQ boost/cut components on the bottom side but if you wish to add EQ,
both sides are connected with 4 via holes. Of course tantalum capacitors in the picture are not SMD tantalum,
currently I did not had SMD type.
Pdf file contains top and bottom side of SMD Throttle Box.

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