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Richard Brewster's Synthesizer

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Overview

Use the links on the left to go directly to any module.

March 2008: A brand new Tascam SS-R1 compact flash recorder replaces the ProTools Digi001 recording system that was lodged in a noisy old Windows 98 PC . The pictures show the SS-R1 beneath the Lexicon MPX-1 Multiple Effects Digital Processor. The SS-R1 records in 44.1 or 48 Khz sampling rate directly to WAV or MP3 at 64, 128, 192, 256, or 320K bits per second. Recordings are stored in a Windows FAT-32 compatible file system which can be manipulated using a PC keyboard. It also plays back any MP3. It is completely silent (no moving parts). Also shown is the Mackie 802-VLZ3 mixer that replaces the old Behringer MX802A. The monitors are Mackie HR-824s. The keyboard is an Edirol PCR-M80.

Cabinets and Power Supplies

Three of the four cabinets are Synthesizers.com four-foot long 22-Space Walnut Studio Cabinet, modified with Stooge mounting rails to hold MOTM-style modules.The bottom cabinet is a 44-Space Tilted Walnut Studio Cabinet. Each tier holds 26U of modules. There is 130U of module width total.

Power is supplied by six Power-One supplies:

2 of HAA15-0.8-A – from MOTM-900

2 of HTAA-16W-A – from MOTM-950

HBB15-1.5-A

HCC15-3-A

 

Electrical Standards

With a few exceptions, signals are standardized.

  • Signal and control outputs are +/- 5V, including pulse waves.
  • Most gate and trigger inputs have Schmitt comparators that accept any signal.
  • Envelopes are 0 to +5V.
  • VCA unity gain is at +5V.

Modules

A logical module is a self-contained functional unit whose inputs and outputs are available for connecting it with other modules into a "patch". A physical module consists of a panel unit that is moveable independently. Quite often several logical modules are packaged into one physical module. The present tally is:

  • 77 physical panels (56 different kinds, 21 duplicates)
  • 120 logical modules of 67 kinds (1 each of 24, 2 each of 38, and 4 each of 5 kinds)

 

Logical Module Counts

  • Voltage Controlled Oscillators (VCO) - 8 (2 MOTM-300, 2 MOTM-310, 2 CGS, 1 Cynthia ZO, 1 Modcan VCDO)
  • Low Frequency Oscillators (LFO) - 16 (2 each MOTM-320, MOTM-380, MOTM-390, Oakley Little LFO)
  • Voltage Controlled Amplifiers (VCA) - 14 (2 MOTM-190, 1 Blacet Quad VCA, 4 Oakley VC-ADSR/VCA, 1 OMS 410)
  • Voltage Controlled Filters (VCF) - 18 (1 MOTM-410, 1 MOTM-420, 2 MOTM-440, 1 MOTM-480 (dual), 2 MOTM-485, 2 MOTM-490, 2 CGS Synthacon, 2 Oakley Superladder, 4 Cynthia Low Pass Gates)
  • Envelope Generators (EG) - 12 (2 MOTM-800, 2 Blacet 2070, 2 MOTM-OMS-820, 4 Oakley VC-ADSR/VCA, 2 Oakley Little EG)
  • Accessible LFOs in other modules - 12 (2 in MOTM-410, 2 in Oakley Equinoxes, 8 in Saw Animators)
  • VC Phase Shifters - 3 (2 Oakley Equinoxe, 1 Blacet StonZ)
  • Timbre modulators - MOTM-120, MOTM-510, CGS Wave Multiplier, CGS Bi-N-Tic Filter, Cynthia Sawtooth Animators, 2 Blacet Miniwaves, 2 CGS Tube VCA's
  • Frequency Shifters - 1 Encore
  • Quantizers - 4 (2 Blacet Miniwaves, 1 Modcan Dual Quantizer 55B)
  • Analog Delays - 2 Blacet Time Machines
  • Lag Processors - 2 MOTM-820
  • Mixers - 8 (2 Oakley Multimix, 2 Blacet, 2 Mixer-Comparator, 1 Stereo Matrix Mixer)
  • Sample & Holds - 6 (MOTM-101, 2 Oakley, Blacet Improbability Drive, 2 in Wogglebug)
  • Noise Sources - 3 (MOTM-101, Blacet Improbability Drive, CGS Infinite Melody)
  • Control Voltage Generators - CGS Infinite Melody, Wiard Wogglebug
  • Control Voltage Processor - Modcan CV Recorder
  • Digital processors - 2 CGS Burst Generators, 1 CGS divider, 1 CGS shifter, 4 CGS logic gates
  • Input signal processor - Blacet Input Envelope Follower with Gates
  • Other - 1 Encore UEG, 1 MOTM-700 dual switch, 2 CGS Analog Shift Registers, 1 Analog OR, 1 Analog AND
  • MIDI Converter - 1 MOTM-650
  • Visual indicators - 2 Veeblefetzers
  • Multiples - 11 4-jack multiples in 3 cascades