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Pittsburgh Modular Foundation 3



The Foundation 3 Synthesizer is the next generation of a classic. A standalone, fully modular synthesizer styled after the great monosynths of the past with no hardwired signal path or fixed voice architecture to restrict creativity. Complex waveform oscillators and multiple filters driving an all analog signal path pushes the Synthesizer Foundation 3 to new worlds of musical creativity. An unpatched Foundation offers a clean slate for sonic exploration and sound design. The open format of a modular synthesizer allows for greater control and a deeper understanding of synthesis.

The Foundation 3 Synthesizer is designed to function as a standalone instrument. However,the Foundation 3 is a 100% eurorack compatible modular synthesizer. The system is made up of 13 individual eurorack format synthesizer modules which can be removed, reorganized, and replaced with Pittsburgh Modular or other eurorack compatible modules. The Foundation 3 Synthesizer uses the Pittsburgh Modular Move[104] Case and Power Rail to house and power the modules.


At the heart of the Foundation 3 Synthesizer is a pair of 2nd generation, complex waveform oscillators. The oscillators offer a full complement of standard waveforms including sine, triangle, saw, and pulse waves in addition to a sub octave generator, modulatable blade wave, and serious modulation options, creating a huge sonic base to build on.


The Foundation 3 Synthesizer features our classic multimode filter alongside a character rich lopass gate creating an unmatched sonic palate.

Dual multifunction envelopes offer a wide range of creative potential. Each envelope module functions as a voltage controlled attack and decay or attack, sustain, and release, LFO, envelope follower, slew (portamento) and more.



• Midi to CV Converter
• Monophonic Mode
• Duophonic Mode
• Dual Monophonic Mode

2x Waveforms

• Analog Saw Core
• Wide Frequency Range
• Complex Modulation
• Sub Octave Generator
• Multiple Waveforms


• Dual Independent, Wide Range Voltage Controlled Low Frequency Oscillators


• Multi-Function Processor
• Slew
• Noise Source
• Sample & Hold
• Voltage Inverter


• Multi-Function Mixer
• 4 Channel Mixer
• 4 Attenuators

Mix Mult

• Multi-Function Signal Router
• 3 Channel Mixer
• 3 Attenuators
• Dual Passive Signal Multipliers

Lopass Gate

• Multi-Mode Processor
• Low Pass Filter
• High Quality VCA
• Lopass Gate
• Inverting CV Input
• Ping Input


• Classic Multi-Mode Filter
• Inverting CV Inputs
• Independent Filter and Oscillator Modes

2x Envelope

• Voltage Controlled Signal Processor
• Envelope Generator
• Envelope Follower
• Slew (portamento)
• Trigger Delay

Dual VCA

• Dual Voltage Controlled Amplifier
• Dual Voltage Controlled Mixer
• Attenuated CV Input
• Pass-Thru Level Attenuators


• Stereo or Dual Mono Outputs
• Individual Headphone and Line Out Volume Controls


• Heavy Duty Pittsburgh Modular Move[104] Case
104hp Eurorack Road Case
Sliding Nut Mounting Nut System
Removable Lid
Dimensions with Lid: 22″ x 7.5″ x 7.5″

• Integrated Power Bus Board
+12v 850mA / -12v 850mA / +5v 250mA
External 12v / 2000mA / AC Power Adapter

• 15 3.5mm Patch Cables
5x 6″ Patch Cables
5x 12″ Patch Cables
5x 24″ Patch Cables

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