- True bypass using the original switch (first picture), no money needed.
- Sweep range caps (try out values like 8n2F and 15nF - see the red circle in the second picture - they are selectable to be in parallel with a 10nF cap by the tri-wah switch).
- Guitar cable inner wire in the bypass path (input jack - switch - output jack), use a good guitar cable part to keep the original input tone.
True bypass schematic:
Bypass wire (black thick wire):
* Change the jumpers in the circuit board to make the necessary connections.
** The GCB-95 schematic is quite similar.