HardLabs

Evil Eddie

a-wai·ampfactory·a-wai/Evil Eddie/Evil Eddie PCB.kicad_pcb

Evil Eddie PCB layout, top view — open source board by a-wai
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About the Evil Eddie PCB

Evil Eddie 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 280 × 120 mm, with 78 components from 42 distinct parts.

Other key parts include the ECC83 and 6V6. By type, the board carries 37 resistors, 23 capacitors, 10 connectors, 6 ICs, 1 jumper and 1 diode.

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 Evil Eddie

ECC836V6

Evil Eddie bill of materials (BOM)

78 components, 42 distinct parts.

QtyPartRefs
5
ECC83
U1, U2, U3, U4, U5
1
6V6
U6
1
RLY+
P1
1
RLY-
P2
1
CLN EQ
P4
1
FROM LD EQ
P6
1
DEPTH
P10
1
Ug2
P11
1
EARTH
P14
1
LD GND
P15
1
CLN EQ GND
P16
1
LD EQ
P17
1
JUMPER
JP1
1
1N4007
D1
2
22µ/450V
C1, C24
1
33µ/450V
C2
3
1µ
C3, C7, C12
2
47µ/450V
C4, C25
6
22n
C5, C8, C9, C16, C18, C21
1
2.2n
C6
Show 22 more
QtyPartRefs
2
47n
C10, C20
1
1n
C11
1
22µ
C13
2
10n
C14, C23
1
10µ/160V
C15
1
33n
C17
4
10k
R2, R4, R17, R44
7
100k
R3, R13, R18, R19, R27, R30, R39
3
220k
R6, R24, R32
2
10k/2W
R7, R45
6
1M
R8, R15, R25, R34, R35, R36
1
1.5k
R10
1
56k
R11
2
470k
R14, R38
1
39k
R16
2
2.2M
R21, R26
2
47k
R22, R42
1
1k
R28
1
470R
R29
2
2.2k
R31, R37
1
82k
R41
1
33k
R43

Evil Eddie 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.

Evil Eddie: common questions

How big is the Evil Eddie PCB?

The Evil Eddie measures 280 × 120 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Evil Eddie?

78 components, from 42 distinct parts. The full bill of materials is listed on this page.

Where can I download the Evil Eddie 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 Evil Eddie 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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