Audio preamplifier power supply

flavian112·audio_preamplifier_power_supply

Audio preamplifier power supply PCB layout, top view — open source board by flavian112

About the Audio preamplifier power supply PCB

Audio preamplifier power supply is an open source PCB design by flavian112, published on GitHub. It is a 2-layer board measuring 106.7 × 43.2 mm, with 32 components from 9 distinct parts.

Other key parts include the LM317 and LM337. By type, the board carries 12 capacitors, 10 diodes, 8 resistors and 2 ICs.

It belongs with the audio and power & battery designs in this gallery.

From the project

Schematic and hardware design for audio preamplifiers power supply

Main components on the Audio preamplifier power supply

Audio preamplifier power supply bill of materials (BOM)

32 components, 9 distinct parts.

Qty	Part	Footprint	Refs
1	LM317	TO-220-3_Vertical	U1
1	LM337	TO-220-3_Vertical	U2
10	1N4004	D_DO-41_SOD81_P7.62mm_Horizontal	D1, D2, D3, D4, D5, D6, D7, D8 +2
4	2200u	CP_Radial_D18.0mm_P7.50mm	C1, C2, C3, C4
4	100n	C_Rect_L4.0mm_W2.5mm_P2.50mm	C5, C6, C9, C10
4	10u	CP_Radial_D5.0mm_P2.00mm	C7, C8, C11, C12
2	10R	R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal	R1, R2
4	2k2	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R3, R4, R6, R7
2	100R	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R5, R8

Audio preamplifier power supply design files

The KiCad project lives in the flavian112/audio_preamplifier_power_supply repository on GitHub; these links point at the commit this page was built from.

Layoutpower_supply_2.kicad_pcb
Schematicpower_supply_2.kicad_sch

Audio preamplifier power supply: common questions

How big is the Audio preamplifier power supply PCB?

The Audio preamplifier power supply measures 106.7 × 43.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Audio preamplifier power supply?

32 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Audio preamplifier power supply design files?

From the flavian112/audio_preamplifier_power_supply repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Audio preamplifier power supply design in my own project?

The repository has no license, so all rights stay with flavian112. Use it as a reference, and ask the author before reusing the design.

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