Easel AUX Expander

Add additional functions to the already versatile Music Easel via the Program Card connector! The Aux Card offers an auxiliary modulation CV source and noise source in low range and a CV/audio oscillator source in high range that can be mixed with the noise source....

Music Easel Program Card – 5 Pack

The Easel Program Cards allow for the creation of physical presets for the 208 Stored Program Sound Source. The position of almost every knob and slider on the front panel of the 208 can bet set by soldering resistors on the Program Card. By putting the 208 in remote...

Music Easel iProgram Card

Buchla Music Easel iProgram card is the ultimate accessory to modernize your Music Easel–a flexible replacement for the original resistor-based Program Cards. It makes use of the Program Card slot and enables patch editing, patch/librarian management, and even...

Polyglot

The Polyglot is for adapting cables, converting voltage ranges, and powering Eurorack modules. Like the previous Eurorack adapter known as “the Blade” it holds 40HP worth of Eurorack size modules and has 6 power connections. But it does more than that. Many...

Blade Eurorack Adaptor 20HP

The Buchla Eurorack adapter is the solution to fit that “must have” Eurorack module in your 200e or LEM system. The module accommodates up to 20HP Eurorack modules and provides the power via a 16-pin header. Jack adapters assist in routing signals to the rest of your...

200e USB Firmware Card

Occasionally, we make changes in a module’s firmware to fix software bugs or to add new features. The little firmware cards we used to supply with modules have been replaced by the USB Utility Card. With a Macintosh computer running OS10.5 or higher, you can load the...

297 Infinite Phase Shifter

The Model 297 Infinite Phase Shifter displaces the phase of an applied signal by up to 1,800 degrees, depending on frequency and number of stages selected. The phase-shifted signal may be combined with the original to create a moderately warped comb filter with...

296e Spectral Processor

A 16 channel bandpass filter with built-in analysis and synthesis capability, the 296e can function as a real time performance filter, a programmable compound equalizer and even as a spectrum transferring vocoder. Center frequencies are selected to complement the...

292h Dual Lowpass Gate

2 independent vactrol-based gate/filters in the classic Buchla format. This is a 2-channel equivalent to the 292e and has all the features and compatibility you would expect in a module. Each channel can process audio as a low-pass filter, a VCA or as a combination...

292e Quad Dynamics Manager

The 292e Quad Dynamics Manager is functionally identical to the original 292, with the addition of two new features: Velocity control and parameter storage. The 292e sports four independent voltage-controlled amplifiers. Each has a signal input and output, a control...

291e Triple Morphing Filter

The 291e Triple Morphing Filter comprises three voltage-controlled bandpass filters that can operate independently or in parallel. The amplitude, center frequency, and bandwidth of each filter may be independently voltage-controlled, and each can be modulated with...

285e Frequency Shifter / Balanced Modulator

The top section of the dual-function 285e performs frequency shifting; up and down outputs are simultaneously available. The reference frequency can be externally applied or internally generated; the latter can be voltage-controlled and modulated using FM. The bottom...

281h Dual Function Generator

2 independent envelope generators with VC attack and decay, with ability to cycle and perform as a LFO. This is equivalent to 2 channels of the 281e and is compatible with 200e systems as well. Purchase through authorized Buchla...

281e Quad Function Generator

The 281e Quad Function Generator comprises four function generators organized in two pairs. All four generators can operate independently or can be linked in pairs to generate more complex output voltages. A momentary switch selects one of three modes: Transient,...

272e Polyphonic Tuner

The 272e Polyphonic Tuner is unique module featuring four stereo FM (radio) tuners, each with voltage-controllable tuning and separate audio outputs. The audio output from the tuners can provide a nearly never-ending supply of source material for processing and...

267e Uncertainty Source / Dual Filter

The 267e combines noise sources, dual random voltage sources, and a simple two-channel filter into a single module. Three type of noise are available, with corresponding dedicated outputs. White noise is electrically flat, but acoustically balanced toward the high end...

266e Source of Uncertainty

The 266e Source of Uncertainty provides a general source of musical unpredictability. Operation is divided into four sections, each of which perform a unique function. Three type of noise are available, with corresponding dedicated outputs. White noise is electrically...

261e Complex Waveform Generator

The 261e Complex Waveform Generator features voltage-controlled modulation of pitch, amplitude, and timbre, and a multi-dimensional, voltage-controlled timbre space. All of the 261e’s timbre processing is performed by analog circuitry, thus eliminating the aliasing...

259e Twisted Waveform Generator

The 259e Twisted Waveform Generator is nearly identical to the original 259, including the implementation of the original digital waveshaping, aliasing noise, and foldover frequencies. The new version, however, adds self-modifying, screeching, snarling responses that...

257e Control Voltage Processor

The upper section of the module includes dual sets of high-resolution voltage inputs and outputs along with intuitive controls for performing mathematical operations on the voltages as they pass from the input to the output stages. Voltage levels are represented...

256e Quad Control Voltage Processor

The Model 256e Quad Control Voltage Processor is a resource for applying simple algebraic functions to control voltages. Each processor has two stages – the first stage provides for voltage-controlled panning between two inputs, and the second establishes a linear...

252e Buchla Polyphonic Rhythm Generator

Introduces a new concept in pattern and rhythm generation. 11 concentric rings, each with their own ability to generate complex patterns can be linked between another to create fascinating polyrhythms, including the built-in Euclidian rhythmic library. Three clocks...

251e Quad Sequential Voltage Source

The 251e features four 50-stage sequencers, each with programmable pulse and control voltage outputs. A separate editing section is used for setting parameters in the selected sequence; sequences can be edited while running and follow the edit stage when stopped....

250e Dual Arbitrary Function Generator

The 250e Arbitrary Function Generator features 16 stages, each of offers direct and immediate access to control and timing voltages. Each stage stores the values of two control voltages, which are set using an array of 16 potentiometers. Time values are adjusted with...

230e Triple Envelope Tracker / Preamplifier

Building on the original 230 Envelope Detector, the 230e features not only a new name that better identifies its functionality, but also improved performance, a built-in three-channel microphone / line preamplifier, and the ability to store and retrieve most settings...