Akashic Guitar effects circuit lookup
LEVELRELEASERATIOTONEATTACKSUSTAIN

Enclosure not stated · 6 knobs

Tagboard Effects

EarthQuaker Devices The WardenVerified

Based on the EarthQuaker Devices The Warden· 6 other boards clone it

Category
Compressor
Controls
Level · Release · Ratio · Tone · Attack · Sustain
Difficulty
Medium
Build
Vero· 21×20· 32 cuts, 15 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Compressor, EarthQuaker Devices, Warden

From the post

Original Info:

The Warden is an optical compressor with a feature set usually reserved for studio grade units. Built with high grade components and internally powered by 18v, The Warden has loads of gain and sustain on tap. With complete control over attack, release, sustain and ratio, The Warden will allow everything from a heavy squash with fast attack and release to “barely there” subtle compression. Optical compression has a reputation for having more character than a VCA or FET based compression and The Warden is no exception.

There was already an old post for this pedal that had been put on hold.

It was easier to start a new one to avoid confusion

I've used the schematic from pedalpcb for this layout.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 34 rows

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RefValueNormalizedTypeNotes
Resistors 9
×41M1Mread from the layout by eye
×510K10kread from the layout by eye
×347K47kread from the layout by eye
×12M22.2Mread from the layout by eye
×122K22kread from the layout by eye
×110M10Mread from the layout by eye
×14K74.7kread from the layout by eye
×11K1kread from the layout by eye
×1100K100kread from the layout by eye
Capacitors 8
×322n22nread from the layout by eye
×21u1ufilm; read from the layout by eye
×31u1uelectrolytic; read from the layout by eye
×2100p100pread from the layout by eye
×1100n100nread from the layout by eye
×310u10uelectrolytic; read from the layout by eye
×147u47uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 5
D11N58171N5817read from the layout by eye
D21N58171N5817read from the layout by eye
D31N58171N5817read from the layout by eye
D41N41481N4148read from the layout by eye
D51N41481N4148read from the layout by eye
Transistors 2
×22N50892N5089printed 5089; read from the layout by eye
×1MPSA18MPSA18read from the layout by eye
ICs 2
×110441044charge pump, printed 1044; read from the layout by eye
IC1OPA2134OPA2134read from the layout by eye
Opto 1
LDR500K (Dark)500K (DARK)LDR; read from the layout by eye
Potentiometers 6
LevelB50KB50kPotentiometerread from the layout by eye
ReleaseB50KB50kPotentiometerread from the layout by eye
RatioB100KB100kPotentiometerread from the layout by eye
ToneB100KB100kPotentiometerread from the layout by eye
AttackB10KB10kPotentiometerread from the layout by eye
SustainC1MC1MPotentiometerread from the layout by eye
LEDs 1
LED5mm White5MM WHITEon board, faces the LDR; read from the layout by eye

Other boards based on the EarthQuaker Devices The Warden