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ASM-1
The ASM-1 modular analog synthesiser by Gene Stopp


The official home site, run by Magnus Danielson can be found at http://rubidium.dyndns.org/~magnus/synths/friends/stopp
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The ASM-1 is a DIY analog synthesiser created by Gene Stopp and was derived from a number of Electronotes projects submitted by Terry Mikulic and Bernie Hitchins.
The ASM-1 design brings together the basic modules for a classically configured synthesiser on a single pcb.
Although on a single pcb, each module is fully self-contained with only the power rails common to all modules. This allows the user the freedom to use the ASM-1 in any type of design desired, from a small pre-patched unit to a fully psuedo-modular system.

The following pages provide details of each of the various modules that constitute the ASM-1 and is intended to provide `complete' documentation for the ASM-1 including additional circuits such as a power supply.
Although the design of the ASM-1 is intended to allow the user to configure each modules inputs to their own specific need, many users will, in fact find, that there are a common set of `basic' input options needed for most of the modules.
In addition to covering the original ASM-1 design, we will also include `updates' to the various modules that define these `basic' configurations.

Module
About
Schematic
How It Works
Setting Up
Ammendments
BOM
VCO
VCA
VCF
ADSR
NOISE
LFO
GLIDE
PSU (onboard)
PSU (external)
ASM-1 PCB (discontinued. See ASM-2)
ASM-1 Manual
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Appendix A
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Appendix B
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Appendic C
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Addendum
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Some Suggested Panel Connections

Some ASM-1 Builds

 

Email:  elby_designs@ozemail.com.au
Copyright 2000. All rights reserved.     Revised: March 3, 2015