Aries System 300

driven by enthusiasm for the analog arts…

Triangulum Research began as a project to rebuild an Aries System 300 based modular synthesizer.

35+ manuals and schematics preserved
8 restoration and build logs
1 rescued Aries that started it all
Aries System 300 in a walnut cabinet
Aries System 300, restored
AT-327 multimode filter panel
AT-327 multimode filter

Documentation, bench notes, and new hardware.

Documentation

The Aries service library, preserved.

Journal

Restoration and build notes from the bench.

Instruments

New modules in the Aries tradition.

Start where the material is strongest.

About Triangulum

My Aries came from a dumpster behind the Cole Science building at Hampshire College, where it had been discarded along with an Altair, an old plotter, and a pile of graying tech viewed as obsolete as of the mid-90s.

Three entries to start with.

See the full journal

Aries System 300 Restoration

These are photos from a restoration I recently completed. It is (as one might guess) an Aries System 300 that a client found at an estate sale.

A Video Demo of the AT-327

I’ve created a simple video demo of the AT-327 to provide a more tangible introduction to the module.

Some pictures of an Aries in the wild

A kind reader provided some photos of his rig. He built it himself from kits purchased from Aries and Rivera Music Systems in the late 70’s and early 80’s.

Have an Aries on your bench?

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