2 layers135.9 × 47 mm
2 layers
Tone Master
EvansCesilThomas/Tone_Controls_and_Sampling3-in-1 (Overdrive, Distortion, Fuzz) effects for guitar (PCB is WIP) Proposed realtime audio sampling and pitch-sihting for a synthesizer functionality (WIP)
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 70
- Nets
- 85
- Pads
- 217
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 20 Jan 2025
- Updated
- 20 Feb 2026
Overview
Tone Master is an open-source printed circuit board by EvansCesilThomas, from the EvansCesilThomas/Tone_Controls_and_Sampling repository on GitHub. It is a 2-layer board with 70 parts on 85 nets.
It is built around the TL072, TIP41C and TIP42C. Its parts include 22 capacitors, 22 resistors, 7 ICs, 7 diodes and 4 transistors. It belongs with the audio and music boards of this library.
Main components
3
TL072
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 10V/us 10mV 2 2.5nA 3MHz 85dB SOP-8 Operational Amplifier ROHSGcoreOperational Amplifier
TIP41C
TO-220-3L-55℃~+150℃ 1 NPN 1.5V 100V 15 2W 3MHz 400uA 5V 6A NPN TO-220-3L Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)TIP42C
TO-220-3L-55℃~+150℃ 1 PNP 1.5V 100V 2W 30 3MHz 400uA 5V 6A PNP TO-220-3L Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
README.md3-in-1 (Overdrive, Distortion, Fuzz) effects for guitar (PCB is WIP) Proposed realtime audio sampling and pitch-sihting for a synthesizer functionality (WIP)
Parts
70| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 1Meg | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R3, R4, R19, R24 |
| 4 | 470nF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C3, C4, C11, C20 |
| 3 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3 |
| 3 | 47k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R1, R2, R22 |
| 3 | 47nF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C13, C14, C22 |
| 3 | 47uF | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C1, C2, C21 |
| 3 | TL072 | Package_DIP:DIP-8_W7.62mm | U1, U2, U3 |
| 2 | 10K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R5, R6 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R9, R25 |
| 2 | 10nF | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C16, C17 |
| 2 | 1uF | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C8, C18 |
| 2 | 22K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R15, R16 |
| 2 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2 |
| 2 | LED | LED_THT:LED_D3.0mm_Clear | D4, D5 |
| 2 | MCP4725xxx-xCH | Package_TO_SOT_SMD:SOT-23-6 | U6, U7 |
| 1 | 1000uF | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C19 |
| 1 | 100K | Potentiometer_THT:Potentiometer_Piher_PT-15-V02_Vertical | RV2 |
| 1 | 100k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R10 |
| 1 | 100k | Potentiometer_THT:Potentiometer_Piher_PT-15-V02_Vertical | RV1 |
| 1 | 100pF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C15 |
| 1 | 10nF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C6 |
| 1 | 1K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R13 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D7 |
| 1 | 1uF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C10 |
| 1 | 22k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R26 |
| 1 | 22nF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C5 |
| 1 | 22uF | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C12 |
| 1 | 3.3V | Diode_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D6 |
| 1 | 330 | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R7 |
| 1 | 330K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R14 |
| 1 | 3K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R23 |
| 1 | 4.7K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R12 |
| 1 | 5.6k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R8 |
| 1 | 500K | Potentiometer_THT:Potentiometer_Piher_PT-15-V02_Vertical | RV3 |
| 1 | 50pF | Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C7 |
| 1 | 50pF | Capacitor_THT:C_Radial_D5.0mm_H7.0mm_P2.00mm | C9 |
| 1 | 680 | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R11 |
| 1 | Barrel_Jack | Connector_BarrelJack:BarrelJack_SwitchcraftConxall_RAPC10U_Horizontal | J2 |
| 1 | Chorus_EN | Button_Switch_THT:SW_Tactile_Straight_KSA0Axx1LFTR | SW3 |
| 1 | DSP_EN | Button_Switch_THT:SW_Tactile_Straight_KSA0Axx1LFTR | SW2 |
| 1 | LM7805_TO220 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U5 |
| 1 | Source Select | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | TIP41C | Package_TO_SOT_THT:TO-220-3_Vertical | Q3 |
| 1 | TIP42C | Package_TO_SOT_THT:TO-220-3_Vertical | Q4 |
| 1 | Tone Control Select | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP2 |
| 1 | ~ | Module:Arduino_Nano | U4 |
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Questions
What parts does the Tone Master use?
70 parts, built around the TL072, TIP41C and TIP42C. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Tone Master KiCad files?
From the EvansCesilThomas/Tone_Controls_and_Sampling repository on GitHub, at the commit this page was made from: the board is Tone_Master/Tone_Master.kicad_pcb and its schematic Tone Controls/Tone Controls.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Tone Master design in my own project?
Its repository states no licence, so its author keeps all rights: ask EvansCesilThomas before reusing the design.