xdylanm/modular-outputAn audio output module for Eurorack, combining two mono input channels into a stereo output with a panning mixer. The stereo output is suitable to drive headphones or small speakers.
Output a is an open-source printed circuit board by xdylanm, from the xdylanm/modular-output repository on GitHub, published under the MIT licence. It is a 2-layer board of 29.5 × 100 mm with 38 parts on 41 nets, routed with 202 tracks and 3 vias.
It is built around the LM386. Its parts include 10 capacitors, 10 resistors, 6 connectors, 4 diodes and 2 ICs. It belongs with the audio and music boards of this library.
An audio output module for Eurorack, combining two mono input channels into a stereo output with a panning mixer. The stereo output is suitable to drive headphones or small speakers.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100k | Potentiometer_THT:Potentiometer_Bourns_PTV09A-1_Single_Vertical | RV1, RV2, RV3, RV4 |
| 4 | 100n | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C17, C18, C23, C24 |
| 4 | AudioJack2_SwitchT | AudioJacks:Jack_3.5mm_QingPu_WQP-PJ301M-12_Vertical | J1, J2, J3, J4 |
| 2 | 10 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R35, R36 |
| 2 | 100k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R31, R32 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R9, R28 |
| 2 | 1k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R29, R30 |
| 2 | 220u | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C11, C12 |
| 2 | 47n | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C9, C10 |
| 2 | 4k7 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R33, R34 |
| 2 | GREEN | LED_THT:LED_D3.0mm_Clear | D2, D5 |
| 2 | LM386 | Package_DIP:DIP-8_W7.62mm_Socket | U2, U3 |
| 2 | RED | LED_THT:LED_D3.0mm_Clear | D3, D6 |
| 1 | 1u | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C8 |
| 1 | 1u | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C7 |
| 1 | A100K | Potentiometer_THT:Potentiometer_Bourns_PTV112-4_Dual_Vertical | RV5 |
| 1 | AudioJack3 | AudioJacks:Jack_3.5mm_QingPu_WQP-PJ301CM_Vertical | J6 |
| 1 | Conn_02x08_Odd_Even | Custom_PinHeader_P2.54mm:PinHeader_2x08_P2.54mm_Vertical_ThinPad | J7 |
| 1 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965 | H1 |
xdylanm/modular-output
An audio output module for Eurorack, combining two mono input channels into a stereo output with a panning mixer. The stereo output is suitable to drive headphones or small speakers.
xdylanm/modular-output
An audio output module for Eurorack, combining two mono input channels into a stereo output with a panning mixer. The stereo output is suitable to drive headphones or small speakers.
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It measures 29.5 × 100 mm and has 2 copper layers, 1.6 mm thick.
38 parts, built around the LM386. 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.
From the xdylanm/modular-output repository on GitHub, at the commit this page was made from: the board is hardware/output/output_a.kicad_pcb and its schematic hardware/output/output.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
