Poweramp v3

colektamu·ECEN404-2026SP-TIAmplifier·Cole - Pre and power Amp/poweramp_v3/poweramp_v3.kicad_pcb

About the Poweramp v3 PCB

Poweramp v3 is an open source PCB design by colektamu, published on GitHub. It is a 2-layer board measuring 74.9 × 57.2 mm, with 24 components from 20 distinct parts.

Other key parts include the OPA1656ID. By type, the board carries 15 capacitors, 4 resistors, 2 connectors, 2 inductors and 1 IC.

From the project

Files from 403 and 404

Main components on the Poweramp v3

OPA1656ID

Poweramp v3 bill of materials (BOM)

24 components, 20 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	OPA1656ID TPA3116D2DAD	DAD32_TEX	U1
1	AUDIOJACK3_GROUND Audio_IN		J1
1	CONN_01X02 Audio_OUT		J2
2	10uH		L1, L2
2	1nF		C1, C8
1	100NF 0.1uF		C2
1	2.2NF 220uF		C3
1	22PF 220nF		C4
1	220nF		C5
1	220uF		C6
1	0.1uF		C7
1	2.2uF		C9
1	10uF		C10
1	15NF 220nF		C11
1	22NF 220nF		C12
2	680nF		C13, C14
1	1.0uF		C15
2	100K 100k		R1, R2
1	22K 100k		R5
1	4.7K 20k		R6

Poweramp v3 design files

The KiCad project lives in the colektamu/ECEN404-2026SP-TIAmplifier repository on GitHub; these links point at the commit this page was built from.

Poweramp v3: common questions

How big is the Poweramp v3 PCB?

The Poweramp v3 measures 74.9 × 57.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Poweramp v3?

24 components, from 20 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 Poweramp v3 design files?

From the colektamu/ECEN404-2026SP-TIAmplifier repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.