Synth DB

The Ultimate Synthesizer Database


Total list currently 2405 items in 330 Brands | QSP44

Description is a company in the USA that makes classic styled custom analog modular systems and sells them over the internet! They offer pre-built systems such as the QSP22 and QSP44 which offer 22 or 44 space road-worthy cabinets, respectively, and a selection of modules. You can also customize your own System by choosing which modules you want them to install for you.

The form factor is the same as Moog Modulars but with an upgraded power supply system. The systems offer hyper-modularity which allows any module to be placed anywhere without rewiring, including power modules. modules will fit into Moog modulars and the signal levels are compatible. A wide variety of modules offer a raw, analog sound, including stable oscillators that will track over many octaves, a 24dB ladder filter, a state variable filter, and a 14-bank fixed filter. The 24-step analog sequencers can be daisy-chained for more stages and offer unique control features not found on your typical sequencers.

The QSP Portable Systems use the same traditional patching, routing, knob fiddling and scientific tinkering of old-school modular synthesizers, with all the benefits of today's technology! The user interfaces of most modules include reversible attenuators and mixers to minimize patch cable clutter, and to make patching more intuitive. These synths are perfect for anyone interested in learning to use analog synthesizers in their traditional form. These systems are expandable and affordable compared to those old and unreliable vintage systems! Also available in Studio and Rack systems.

Portable System Modules

QSP22 Modules

  • 1) Q137 Power Control/Interface
  • 1) Q104 MIDI Interface
  • 1) Q105 Slew Limiter
  • 3) Q106 Oscillator
  • 1) Q107 State Variable Filter
  • 2) Q108 Amplifier
  • 2) Q109 Envelope Generator
  • 1) Q110 Noise Source
  • 1) Q112 Mixer
  • 1) Q116 Ring Modulator
  • 1) Q117 Sample & Hold
  • 1) Q124 Multiples
  • 2) Q125 Signal Processor

QSP44 Additional Modules

  • 1) Q103 DC Power Interface
  • 3) Q106 Oscillator
  • 2) Q108 Amplifier
  • 2) Q109 Envelope Generator
  • 1) Q111 Pan/Fade
  • 1) Q112 Mixer
  • 1) Q118 Instrument Interface
  • 1) Q120 Connector Interface
  • 1) Q124 Multiples
  • 1) Q125 Signal Processor
  • 1) Q128 Switch
  • 1) Q130 Clipper/Rectifier
  • 1) Q131 Blank Single Panel
  • 1) Q141 Oscillator Aid
  • 1) Q142 Pedal Interface

Other Modules

  • Q113 8-Channel Mixer
  • Q115 Reverb
  • Q119 Sequencer
  • Q121 Banana Jack Interface
  • Q122 Mini Jack Interface
  • Q123 Standards
  • Q127 Fixed Filter Bank
  • Q140 Fixed Filter Bank Aid
  • Q143 Presets
  • Q146 Normalization
  • Q147 Distributor
  • Q150 Tran Ladder Filter
  • Q161 Oscillator Mixer
  • Q162 Filter Mixer
Engine TypeModular
Voices (max)1/2
LFOQ117 - Sample and Hold, or use a Q106 Osc.
Engine DetailedQ106 - Analog Oscillator with Sine, Triangle, Saw, Ramp and Pulse waveforms. Q110 - Noise Source makes White, Pink and Low Freq. Noise.
Filter (VCF)Q107 State Variable Filter - 12dB/oct Low/Band/High Pass and 6dB/oct Notch modes. Q116 Ring Modulator - combine two input signals
Envelope (VCA)Q108 Amplifier - Gain controls with multiple input options. Q109 - Envelope Generator - Attack/Decay/Sustain/Release.
Key typeN/A
MidiQ104 - Interface (IN, Gate Out, Trigger Out, Pitch Out, Velocity Out)
CV-gateQ104 - MIDI Interface (MIDI IN, Gate Out, Trigger Out, Pitch Out, Velocity Out)
Produced:2000 - 2000
Legend: Obvious Y: Yes, N: No, N/A: Not Applicable
VCO Voltage Controlled Oscillator DCO Digital Controlled Oscillator
LFO Low Frequency Oscillator Sub Sub Oscillator
VCF Voltage Controlled Filter VCA Voltage Controlled Amplifier
Velocity As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. Aftertouch Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.
Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.

Manuals, patches etc.


If you like to discuss or talk about synths in all forms (including VST and modular), you are welcome to join the Facebook group "The Hard, The Soft and The Modular".

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