Buchla 281e Quad Function Generator

The Buchla 281e Quad Function Generator is a four-channel voltage-controlled analog synthesizer module designed by Don Buchla. It is a powerful tool for creating complex and evolving sounds, and has been used by a variety of musicians, including Aphex Twin, Autechre, and Boards of Canada.

The 281e is a four-channel voltage-controlled analog synthesizer module that can generate a variety of waveforms, including sine, triangle, sawtooth, and square. It also features a noise generator, an envelope generator, and a low-frequency oscillator. The 281e has four independent outputs, each with its own level control, and can be used to create complex and evolving sounds. It also features a variety of modulation options, including frequency modulation, amplitude modulation, and pulse width modulation. Additionally, the 281e has a built-in MIDI interface, allowing it to be used with other MIDI-compatible devices.