APC Punk Console

Virtual re-creation of a popular DIY circuit the Atari Punk Console. APC is a square wave synthesizer for Windows and macOS that creates fun "low-fi" sound, and comes with user MOD.

Also known as "Stepped Tone Generator", published in 1980 by Forrest M. Mims III, the circuit consist of a frequency oscillator that drive a monostable which emits square output pulses. The circuit has become very popular in the DIY electronic music scene and now you can experiment it directly in your DAW.

Key Features

• Comes with modifications of the original circuit, zero-delay-feedback resonant high-pass and low-pass filters, an LFO, a gate controller with a hold function...

• Play-ability! Use the key tracking mod to play different tones using your MIDI keyboard or sequencer, change the tone by /- 1 octave with the tone push buttons.

• Easy assignation of all parameters to MIDI controllers. Click on "Learn" on the parameter, move the control on your MIDI controller, and that it's!

Feature highlights

Square waves "Lo-Fi" sound. 8 user MOD's available: Pitch up & down. High-pass resonant filters. Low-pass resonant filters. LFO (sync-able on BPM). Key tracking... Zero-delay-feedback state variable filters. Gate MOD with hold function.

Respond to MIDI note on/off. Preset manager, rename, copy, save, load... Full MIDI automation support. Easy MIDI learn on all parameters. Use 7-bit MIDI Continuous Controller or High resolution 14-bit MIDI NRPN and RPN. Undo your changes with one click. Comes with users manual. Easy installer.

System requirements

Windows 2 GHz CPU or higher with SSE2. 8GB RAM or higher. Microsoft® Windows® 11, 10 or 8. 64-bit VST™ 2 or VST™ 3 compatible host. Audio interface with ASIO driver support recommended. To use the automation a Host with automation features. For MIDI learn a MIDI interface and an external MIDI control device is required.

macOS Intel or Apple CPU. 8GB RAM or higher. macOS 10.8 and latter (compatible with macOS Catalina). Audio Unit compatible 64-bit host. CoreAudio compliant audio interface or built­in audio hardware. To use the automation a Host with automation features. For MIDI learn a MIDI interface and an external MIDI control device is required.