modular analog synthesizer for electronic music
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Q106 Oscillator Every synthesizer system contains modules which provide the functions needed to create complex sounds. Modules can be mounted in any slot in a cabinet or rack. Most modules require power which is supplied from a cable behind the module.

Modules In numerical order

Q101,Q102,Q103,Q137 Power Modules
Controls the internal power supply and provides entry and exit connectors for AC and DC voltages.  Power Supplies and power cable harnesses are also listed.

Q105 Slew Limiter
Limits the rate of change of a signal. Useful for creating Glissando (Portamento), as an envelope generator, or a gate delay.

Q106 Oscillator
The Oscillator generates the basic waveforms needed to create sounds. Oscillators can also be used to generate control signals for amplifiers, filters, pan/fade and more. Provides 5 waveforms simultaneously, linear FM, exponential FM, hard sync, pulse width modulation, range selection and fine frequency tuning. Can be expanded with the Q141 Oscillator aid module.

Q107 Filter
State Variable Filter providing Low Pass, High Pass, Notch, and Band Pass. Used to alter the harmonic content of waveforms. Includes voltage controlled resonance (Q) with a reversable attenuator, attenuatable frequency control, 1V/Octave frequency control, and a 2 channel mixer.

Q108 Amplifier
Used to control the amplitude of an audio or control signal. Linear and exponential responses, dual control and signal inputs, and normal and inverted outputs.

Q109 Envelope Generator
Creates envelopes that are used to control filters, amplifiers, oscillators, etc. Attack, decay, sustain, release controls, manual triggering, LED output indicator. Can also be used as a gate delay.

Q110 Noise Source
Source of random signals used to create sounds such as thunder, drums, etc. and to create random control signals. White, pink, and low frequency random outputs with amplitude controls.

Q111 Pan/Fade
In Pan mode, a signal is routed to one of the two outputs. In Fade mode, the opposite occurs: one of the two inputs is routed to the output. Routing can be controlled manually or from an oscillator or other source. Can also be used as a common VCA.
Q111 Pan/Fade
Q112 4-Channel Mixer
Up to 4 signals are mixed together. Manual attenuation of 3 inputs.

Q113 8-Channel Mixer
Two 4 channel sections with combining to create 8 channels. Manual attenuation of 6 inputs.

Q115 Reverb
Reverb effect created by a mechanical 3-spring reverb tank similar to that found on most guitar amplifiers. Drive and amount controls for subtle variations of effect.

Q116 Ring Modulator
Creates unusual sounds by multiplying 2 signals. Used for gong, bell, and many strange sounds.

Q117 Sample and Hold
Samples and holds a signal's voltage level constant - basically an analog memory. Output signals are normally used to control other modules. Often used in conjunction with the Q110 Noise module, or with an oscillator to create stairstep patterns.

Q118 Instrument Interface
Receives inputs from external devices such as guitars, microphones, drum triggers, etc. Amplifies then creates an envelope signal, gate signal, and trigger signal for use in processing by other modules.

Q119 Sequential Controller
Creates a series of signals at a rate determined by an internal oscillator or external source. A manual control is used to set the output for each stage. Programmable up to 24 single stages, or 8 tripple stages. Sequences can be single or repetitive, up or up/down. Triggered by an external device such as a keyboard or oscillator, or manually. Used to create loops of sounds, effects, arpeggios, or complex envelopes.

Q120 Connector Interface
Allows easy connection to various connectors including Phono jacks, banana jacks, 3.5mm jacks, etc. Offers AC coupling of signals. Also creates stereo signals from two mono sources or will breakout a stereo signal into two mono signals.
Q123 Standards
Q121 Banana Jack Interface
8 connection points to convert banana jacks to 1/4" jacks.

Q122 Mini Jack Interface
8 connection points to convert 1/8"/3.5mm jacks to 1/4" jacks.

Q123 Standards
Provides a precision voltage standard with octave and semitone selection along with precision mixing, and a 440Hz frequency standard.

Q124 Multiples
Provides for patching multiple signals. 12 total jacks in 3 groups of 4. 2 groups can be connected by a switch.

Q125 Signal Processor
Multifunction module provides signal inversion, attenuation, amplification, and adjustable voltage source.

Q127 Fixed Filter Bank
Bank of 12 fixed bandpass filters along with a lowpass and highpass filter - each with adjustable gain. Used to tailor the frequency components of a sound.

Q128 Switch
Voltage controlled switch to select or route signals.

Q130 Clipper/Rectifier
Voltage controlled clipping of signals and rectification of signals to create new waveforms and modify control signals.

Q131,Q132,Q133,Q134 Blank Panels
Use these blank panels to fill empty spaces in your system.

Q138 Logo Panel
Blank panel with logo to cover empty spaces.

Q140 Fixed Filter Bank Aid
Designed to be used beside the Q127 Fixed filter bank to provide individual outputs for each filter section.

Q141 Oscillator Aid
Adds features to the Q106 Oscillator including soft sync control, waveform selector, and waveform inversion.

Q142 Pedal Interface
Interfaces to two external pedals, switches or variable controls and creates signals that can be used to control other modules.

Q143 Presets
Provides manual switching of 2 voltage sources and 2 routing paths.
Q150 Ladder Filter
Q146 Normalization
Used to hard-wire pitch and gate signals to oscillators and envelope generators using a cable harness behind the panels. A single access panel also includes multiples.

Q147 Distributor
Send a signal to several destinations with easy control of levels and polarity.

Q149 Signal Selector
Three-in, Three-out manual signal selector. Can also used as 2) three-in, 1-out selectors.

Q150 Transistor Ladder Filter
2/4 Pole low pass filter based on Bob Moog's famous patent. Special output leveling circuitry overcomes reduced amplitudes with increased resonance. Dual mixing inputs, and reversable attenuation of frequency control inputs.

Q161 Oscillator Mixer for Q106
Use the Q161 Oscillator Mixer next to your Q106 oscillator to easily create new waveforms.

Q162 Filter Mixer for Q107
Use the Q162 Oscillator Mixer next to your Q107 Filter to easily create new responses.

Q171 Quantizer Bank
Accepts voltages (typically pitch) and locks them into preset scales. Simplifies sequencer tuning, creates arpeggios, and offers an interesting musical possibilities. Three channels.

Q172 Quantizer Aid
Aid module for the Q171 Quantizer. Adds a 4th channel with many musically useful features including MIDI output, user-programmable note groups, real-time transpose, and bypass.
Q174 MIDI Interface
Q174 MIDI Interface
MIDI data from a keyboard, computer or other device and produces Pitch, Gate and other signals needed to control the synthesizer.

Q175 MIDI Interface Aid
Operates in conjunction with the Q174 MIDI Interface module to provide additional MIDI connectivity features, an Arpeggiator and Portamento (glide between notes).

Q960 Sequential Controller
8-Stage sequencer clone of the Moog 960. Offers real-time skipping, individual stage in and out signals, and output range selection.

Q961 Sequencer Interface
Trigger combiner with delay. Replacement for the Moog 961 interface. Logically 'OR's 12 trigger signals, 6 of which have manually adjustable On-Time.

Q962 Sequential Switch
3-Stage sequential switch clone of the Moog 962 switch. Use to select one of three rows on a Q960 Sequential Controllers resulting in 24 stages.

Q963 Trigger Bus
Dual trigger bus selector for use with the Q960 sequential controller. Allows real-time routing and controlling of 8 stage outputs from a Q960 Sequential Controller.

Humor Modules:
Q196 Beer Tap Module
Q197 Breathalyzer Module
Q199 No-Pass Filter
Q200 Shock and Awe Module

See Possible Future Products