Enclosure not stated · 1 knob

Treble booster

Schematic

The schematic image is on the project page. Open it at PCBWay.

Ref	Value	Normalized	Type	Notes
Resistors 8
R1	120K	120k		read from the schematic by eye
R2	100K	100k		read from the schematic by eye
R3	1K	1k		read from the schematic by eye
R4	2K7	2.7k		2K7 with the Bias pot, 6K8 without; read from the schematic by eye
R5	22K	22k		read from the schematic by eye
R6	2K4	2.4k		read from the schematic by eye
R7	47K	47k		read from the schematic by eye
R8	100R	100		read from the schematic by eye
Capacitors 6
C1	10n	10n		read from the schematic by eye
C2	1n	1n		read from the schematic by eye
C3	47n	47n		read from the schematic by eye
C4	4n7	4.7n		read from the schematic by eye
C5	47u	47u		elec; read from the schematic by eye
C6	100u	100u		elec; read from the schematic by eye
Transistors 1
Q1	BC549	BC549		read from the schematic by eye
Potentiometers 1
Bias	A5k	A5k	Potentiometer	optional; jumpers replace it if omitted; read from the schematic by eye