HardLabs

DG Custom

a-wai·ampfactory·a-wai/DG Custom/DG Custom PCB.kicad_pcb

DG Custom PCB layout, top view — open source board by a-wai

About the DG Custom PCB

DG Custom is an open source PCB design by a-wai, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 360 × 120 mm, with 81 components from 45 distinct parts.

Other key parts include the ECC83 and EL34. By type, the board carries 29 resistors, 23 capacitors, 16 connectors, 7 ICs, 3 relays and 3 diodes.

It belongs with the audio designs in this gallery.

From the project

A collection of tube amplifier schematics for guitar and bass

Amp Factory is a collection of free (as in "free speech", not "free beer") electronic schematics for tube amplifiers dedicated to guitar and bass.

The documents in the "a-wai" directory are the schematics for amplifiers manufactured by A-wai Amplification, a one-person company building handwired amplifiers in Toulouse, France.

These schematics are licensed under the terms of the version 3 of the GNU General Public License. Therefore, you are granted the right to use, modify and/or redistribute these documents under certain conditions, listed in the GNU General Public License (see LICENSE…

Main components on the DG Custom

ECC83EL34

DG Custom bill of materials (BOM)

81 components, 45 distinct parts.

QtyPartRefs
5
ECC83
U1, U2, U3, U4, U5
2
EL34
U6, U7
1
CHANNEL
J1
1
SEND
J2
1
CR GND
J7
1
CLN GND
J8
1
CRUNCH
J10
2
PI GND
J11, J21
1
R+
J14
1
CR VOL
J15
1
LD VOL
J16
1
CR FAT
J17
1
LD FAT
J18
1
CR/LD
J19
1
FAT
J20
1
BIAS
J26
1
EARTH
J27
3
FINDER-30.22
K1, K2, K3
3
D
D1, D2, D3
1
0.68µ
C1
Show 25 more
QtyPartRefs
3
1µ
C2, C10, C16
1
4.7n
C3
4
22n
C4, C12, C14, C17
1
47µ
C5
1
2.2n
C6
3
47n
C13, C24, C25
1
1n
C15
1
500p
C22
3
100n
C23, C26, C27
1
33µ
C29
2
10µ
C30, C32
1
22µ
C31
2
2.2k/2W
R1, R46
1
1.5k
R5
8
100k
R8, R16, R22, R23, R29, R30, R33, R36
1
120k
R9
1
220k
R10
6
470k
R18, R32, R37, R38, R39, R40
2
1M
R19, R24
2
4.7k
R20, R48
1
39k
R21
1
2.2M
R26
1
820R
R34
1
22k
R35
2
10k
R47, R49

DG Custom design files

The KiCad project lives in the a-wai/ampfactory repository on GitHub; these links point at the commit this page was built from.

DG Custom: common questions

How big is the DG Custom PCB?

The DG Custom measures 360 × 120 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DG Custom?

81 components, from 45 distinct parts. The full bill of materials is listed on this page.

Where can I download the DG Custom design files?

From the a-wai/ampfactory repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the DG Custom design in my own project?

Yes, under the terms of its GPL-3.0 license, which a-wai chose for the repository.

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