Mono layout v04d
ewinkuo1-sudo·diy-lm3886-amplifier·pcb/mono-layout-v04d.kicad_pcb
About the Mono layout v04d PCB
Mono layout v04d is an open source PCB design by ewinkuo1-sudo, published on GitHub under the MIT license. It is a 2-layer board measuring 115 × 90 mm, with 26 components from 21 distinct parts.
Other key parts include the LM3886T. By type, the board carries 8 capacitors, 8 resistors, 3 connectors, 1 IC, 1 jumper and 1 inductor.
It belongs with the audio designs in this gallery, and the repository also holds 2 earlier revisions of it.
From the project
LM3886 DIY 純後級:內建線性電源,搭配 Eversolo DAC-Z10 RCA 前級輸出;電路、選材與量測
現行版本是 V0.4(2026-09-24:放大板變體 D 為主、變體 C 保留、電源板加每聲道端子與 snubber 預留位),三板 KiCad 10.0.6 DRC 0 違規、0 未連通,見下方「PCB V0.4」各節;正反面銅箔、組裝極性、3D 預覽與零件核對表在 inspection-v04。V0.3 自 2026-09-24 起為歷史版本:板檔、DRC、雜湊綁定與審查結論原樣保留供對照,不再修改。
兩片 100×90 mm 單聲道放大板+一片 160×120 mm 共用電源板。(2026-09-24 放大板已改為 115×90 mm 並重建,DRC 0 違規、0 未連通。)
其他資料:銅箔計算表/完整計算資料與輸入雜湊、驗證摘要、DRC 檔案綁定、正反面/組裝/3D 看圖資料、零件與封裝核對表、左右聲道對照。

Main components on the Mono layout v04d
Mono layout v04d bill of materials (BOM)
26 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM3886T | LM3886T_UNVERIFIED | U1 |
| 1 | L RCA | Terminal2_P5.08 | J1 |
| 1 | L TEST OUT | Terminal2_P5.08 | J2 |
| 1 | INTERNAL PSU | Terminal3_P5.08 | J5 |
| 4 | M3 provisional | H1, H2, H3, H4 | |
| 1 | L RUN LINK | Header2_P2.54 | JP1 |
| 1 | 0.7uH / air core | AirCoil_P20 | L1 |
| 1 | 2.2u / 100V film | Film_P15 | C1 |
| 1 | 47u / 63V BP | BP_Axial_L40_D20_P50 | C2 |
| 2 | 100n / 100V | Film_P5 | C3, C4 |
| 1 | 100n / 100V film | Film_P5 | C5 |
| 2 | 470u / 63V | CP_D12.5_P5 | C6, C7 |
| 1 | 100u / 100V | CP_D12.5_P5 | C8 |
| 1 | 1M | R_P7.5 | R1 |
| 1 | 22K 22k | R_P7.5 | R2 |
| 1 | 1k / 1% | R_P7.5 | R3 |
| 1 | 20k / 1% | R_P7.5 | R4 |
| 1 | 2.7R / 2W | R_2W_P20 | R5 |
| 1 | 1k | R_P7.5 | R6 |
| 1 | 10R / 2W | R_2W_P20 | R7 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 22k / 0.6W | R_P7.5 | R8 |
Mono layout v04d design files
The KiCad project lives in the ewinkuo1-sudo/diy-lm3886-amplifier repository on GitHub; these links point at the commit this page was built from.
Mono layout v04d: common questions
How big is the Mono layout v04d PCB?
The Mono layout v04d measures 115 × 90 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mono layout v04d?
26 components, from 21 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Mono layout v04d design files?
From the ewinkuo1-sudo/diy-lm3886-amplifier repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Mono layout v04d design in my own project?
Yes, under the terms of its MIT license, which ewinkuo1-sudo chose for the repository.
More boards in diy-lm3886-amplifier
Earlier revisions in the repo: mono-layout-v04c, mono-layout-v03
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