The 258t Dual Oscillator is a collaboration between TipTop and Buchla. With two independent voltage-controlled oscillators where each has one processing input, a frequency modulation input and a 1V/oct input, waveshapes, as well as frequency, can be voltage controlled allowing you to construct your sound. The Model 258 oscillators also feature low sine wave harmonic […]
The 258t Dual Oscillator is a collaboration between TipTop and Buchla. With two independent voltage-controlled oscillators where each has one processing input, a frequency modulation input and a 1V/oct input, waveshapes, as well as frequency, can be voltage controlled allowing you to construct your sound. The Model 258 oscillators also feature low sine wave harmonic content.
Specifications:
Buchla is an American electronic instrument brand with a legendary status in the history of synthesizers, closely associated with the origins of West Coast synthesis. Founded in the 1960s by Don Buchla, the company took a radically different approach to electronic instruments, prioritising timbre, modulation, and experimental control over traditional keyboard-based design.
Buchla instruments are known for non-standard interfaces, touch plates, complex modulation sources, and an emphasis on evolving, organic sound rather than conventional melodies or presets. Their systems have been used extensively in experimental music, academia, sound art, and avant-garde composition, and they remain influential in modern modular synthesis.
For SynthForSale, Buchla sits at the high-end experimental and modular synthesis category — iconic instruments aimed at musicians and sound designers who want to explore unconventional workflows, generative sound, and the deeper artistic side of electronic music rather than traditional performance synthesis.
Digital is sound generation and processing based on digital signal processing rather than analogue circuitry. It is used for precise control, stable tuning, patch memory, and complex sound design that would be difficult to achieve with purely analogue systems. For example, a digital instrument might be used to create detailed evolving textures or realistic emulations while storing and recalling complete sound setups instantly.
Modular is a synthesis format made up of separate, interchangeable modules that are patched together to create custom signal paths. It allows complete freedom over sound design, sequencing, and modulation, with each system built to suit the user’s workflow and creative approach.
A synth is an electronic instrument that creates sound through electronic signal generation and shaping. It is used to produce basses, leads, pads, textures, and effects by controlling oscillators, filters, envelopes, and modulation. Synths are central to electronic music and modern production, offering flexible sound design for both studio work and live performance.
A Workstation is a professional keyboard instrument that combines high-quality sounds with powerful sequencing, recording, and performance features. More than just a keyboard, it acts as a complete music production hub, allowing players to compose, arrange, and perform without needing extra equipment.
Workstations typically include a wide range of instrument voices, drum kits, effects, and built-in sequencers for layering and arranging tracks. Many also offer sampling, audio recording, and deep integration with MIDI or computer software.
Favoured by composers, producers, and live performers, workstations are versatile tools that bring together creativity and practicality in one instrument.
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