Legacy Module Documentation

This page hosts a growing collection of User Guides, User Manuals and Builder's Guides for Oakley Sound modules that are no longer produced. Please be aware that this is not an exhaustive list, nor does it contain schematics for the most part.

Note: The documents presented here are legacy documents and as such they may contain information that is now out of date or incorrect. This is particularly true of any references to pricing, component sources, company addresses and any other contact information.


ADSR issue 1 User Guide.pdf

ADSR issue 2 User Guide.pdf

VC-ADSR issue 1 User Guide.pdf

VC-ADSR issue 2 User Guide.pdf

Basic VCA

Basic VCA User Guide.pdf

Basic VCA schematic.pdf

Basic EG

Basic-EG iss 1 User Guide.pdf

Classic VCA (Eurorack - Through hole component version)

Classic VCA (old euro) issue 1 Builder's Guide.pdf

Classic VCA (old euro) issue 2 Builder's Guide.pdf

Classic VCA (old euro) User Manual.pdf

Classic VCA (old euro) 8HP.fpd

Classic VCA (old euro) 10HP.fpd

Compact PSU

Compact PSU Builder's Guide

Compact PSU User Manual

Croglin VCF (5U)

Croglin iss 1 Builders Guide.pdf

Discontinuity (5U)

Discontinuity issue 1 User Guide.pdf

Discontinuity issue 2 Builders Guide.pdf

Discrete Ladder Filter (5U)

DLF issue 1 User Manual.pdf

DLF issue 1 Builders Guide.pdf

Dual Comparator and Gate Delay (5U)

Dual Comparator iss 1 User Guide.pdf

Dual Comparator iss 2 Builder's Guide.pdf

Dual Comparator1 (Black finish).fpd

Dual Comparator2 (Black finish).fpd

Dual Comparator2 (Natural finish).fpd

Dual VCA (5U)

D-VCA issue 1 Builders Guide.pdf

D-VCA issue 2 Builders Guide.pdf

D-VCA User Manual.pdf

Quad VCA (black).fpd

Dual VCA (Black).fpd

Dual VCA (Natural finish).fpd

EFG (5U)

EFG iss 1 User Guide.pdf

EFG iss 2 User Guide.pdf

EFG iss 3 User Guide.pdf

EFG issue 4 Builders Guide.pdf

Equinoxe phaser (5U)

Equinoxe iss 1 User Guide.pdf

Equinoxe iss 2 User Guide.pdf

Equinoxe iss 3 User Guide.pdf


Filtrex iss 2 User Guide.pdf

Filtrex-II issue 1 Builder's Guide.pdf

Filtrex-II issue 2 Builder's Guide.pdf

Filtrex-II User Manual.pdf

Filtrex-II Black finish.fpd

Filtrex-II Natural Finish.fpd

HVM (Half Rack Version)


HVM_issue_1_User Manual.pdf


Journeyman VCF (5U)

Journeyman issue 1 User Guide


Little-EG iss 2 User Guide.pdf


Little-Lag iss 1 User Guide.pdf

Little-Lag iss 2 User Guide.pdf

Little-Lag iss 3 User Guide.pdf

Little-Lag front panel design.fpd


Little-LFO iss 1 schematics.pdf

Little-LFO iss 2 User Guide.pdf

Little-LFO iss 3 User Guide.pdf

Little-LFO iss 4 User Guide.pdf

Little-LFO iss 5 User Guide.pdf

Little-LFO iss 6 User Guide.pdf

LFO Panel Design.fpd

MidiDAC (5U)

midiDAC issue 1 schematic.pdf

midiDAC issue 1 User Guide.pdf

midiDAC issue 2 schematic.pdf

midiDAC issue 2 User Guide.pdf

midiDAC issue 3 User Guide.pdf

Mixer - original 2U non VCA version (5U)

Mixer issue 1 schematic.pdf

Mixer issue 1 User Guide.pdf

Noise/Filter (5U)

Noise/Filter issue 2 User Guide.pdf

OMS-410 (5U)

OMS-410 issue 1 User Guide.pdf

OMS-410 issue 2 User Guide.pdf

OMS-410 issue 3 User Guide.pdf

OMS-410 issue 3 schematic.pdf

OMS-410 frontpanel.fpd

OMS-820 (5U)

OMS-820 iss 2 User Guide.pdf

OMS-820 frontpanel.fpd

Overdrive (Euro)

Overdrive 3U issue 1 Builders Guide.pdf

Overdrive (5U)

Overdrive 5U issue 1 Builders Guide.pdf

Overdrive issue 1 (black) front panel.fpd

Overdrive issue 1 (natural) front panel.fpd


PSU issue 2 Builders Guide.pdf

PSU issue 3 Builders Guide.pdf

PSU issue 4 Builders Guide.pdf

PSU issue 2 and 3 User Manual.pdf


RPSU Issue 1 User Manual.pdf

RPSU Issue 1 Builder's Guide.pdf

Ring Modulator (Euro)

Ring Mod (Euro) User Manual.pdf

Ring Mod (Euro) issue 3 Builder's Guide.pdf

Ring Mod (10HP) front panel.fpd

Ring Mod (8HP) front panel.fpd

Ring Modulator (5U)

Ring Mod (5U) User Manual.pdf

Ring Mod (5U) issue 3 Builder's Guide.pdf

Ring Mod (black) front panel.fpd

Ring Mod (natural) front panel.fpd

Sample/Slew (5U)

Sample/Slew issue 2 User Guide.pdf

Sample/Slew issue 1 and 2 front panel.fpd


SE330 Issue 1 User Manual.pdf

SE330 Issue 1 Builder's Guide.pdf

SE330 Issue 2 User Manual.pdf

SE330 Issue 2 Builder's Guide.pdf



SVCO-A issue 1 Builder's Guide.pdf

SVCO-B issue 1 Builder's Guide.pdf

SVF (5U)

SVF issue 4 User Guide.pdf


TM3030 issue 1 Builder's Guide and User Manual.pdf

TM3030 issue 2 Builder's Guide.pdf

TM3030 issue 3 Builder's Guide.pdf

TM3030 issue 2 & 3 User Manual.pdf

TM3030 Midi Guide.pdf

Transistor Superladder (5U)

TSL issue 2 Builder's Guide.pdf

Triple VCA (5U)

Triple VCA issue 2 User Guide.pdf

Triple VCA.fpd


VC-LFO issue 1 User Guide.pdf

Note if your VC-LFO board is marked as an issue 2 but has an HFT timmer present it's actually an issue 3 VC-LFO.

VC-LFO issue 2 User Manual.pdf

VC-LFO issue 2 Builder's Guide.pdf

VCO (5U)

VCO issue 4 User Guide.pdf

VCO issue 5 Builder's Guide.pdf

VRG (5U)

VRG issue 1 Builder's Guide.pdf

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Copyright: Tony Allgood
Last revised: December 17, 2020.