series (1960s) The original Buchla modular synthesizer was commissioned by Morton Subotnick and Ramon Sender and funded by a grant from the Rockefeller Foundation. The earliest modules are labeled "San Francisco Tape Music Center." Later modules were offered through the musical instruments division of CBS.
series (1970) The Buchla 200 series Electric Music Box replaced the previous model in 1970 and represented a significant advance in technology. Almost every parameter can be controlled from an external control voltage.
Computer-controlled instruments Buchla 300, 500, Touché (mid 1970s) In the mid 1970s, Don Buchla began experimenting with
digital designs and
computer-controlled systems. The results were the 500 series and the 300 series, both of which paired the new technology with existing 200 series modules to create hybrid analog/digital systems. The
Touché was also the result of this research, .
Buchla 400, 700, and MIDAS (1980s) Also in 1980s, Buchla released the 400 series and the 700 series software controlled instruments operated by
MIDAS, a
Forth language for musical instruments, and also equipped with
MIDI.
Buchla's unique synthesizer designs Buchla tended to not refer to his instruments as
synthesizers, as he felt that name gives the impression of imitating existing sounds/instruments. His intent was to make instruments that create
new sounds. This goal is evident in the omission of a standard musical keyboard on his early instruments, which instead used a series of touch plates that were not necessarily tied to equal-tempered tuning. He also used a naming convention different from most of the industry. One of his modules, for example, is called a "Multiple Arbitrary Function Generator." These differences run deeper than nomenclature. The Multiple Arbitrary Function Generator (or MARF) goes well beyond what a typical sequencer is capable of performing and can act as an
envelope generator,
LFO, CV selector,
voltage quantizer, and tracking generator. The MARF (Buchla model 248) is not to be confused with the modern Dual Arbitrary Function Generator (Model 250e) which features a different design. Buchla's instruments, such as the Music Easel (pictured), use a method of
timbre generation different from
Moog synthesizers. Moog units use oscillators with basic
function generator-type waveshapes and rely heavily on filtering with 24 dB resonant
low-pass filters, while Buchlas are geared toward complex oscillators using
frequency modulation,
amplitude modulation, and dynamic waveshaping to produce other forms of timbre modulation. Many of Don Buchla's designs, including the Lopass Gates, contain
vactrols - photoresistive
opto-isolator employed as voltage-controlled
potentiometers - which can be used for a more "natural", typical Buchla sound. In December 2017,
Arturia released a software/plugin emulation of the Music Easel, called the "Buchla Easel V", as part of the V collection.
(late 1980s) Buchla Thunder, Buchla Lightning, Marimba Lumina By the late 1980s, Don Buchla had stopped creating instruments and shifted his focus to alternate
MIDI controllers. His controller designs have included the
Thunder,
Lightning, and
Marimba Lumina.
series (2004) Finally, in 2004, Don Buchla returned to designing full blown modular electronic instruments with the
200e, a hybrid system using digital microprocessors that uses the same size modules and signals as the 100 and 200 series systems. The 200e modules convert all signals to analog at the panel, appearing to the user like an analog system, with patch cables. Systems can be built using a combination of 100, 200 and 200e modules. The 200e modules connect through a digital communications bus, allowing the system to store the settings of the knobs and switches. At the January 2012
NAMM Show, Buchla & Associates announced new ownership, retaining Don Buchla as Chief Technology Officer and investment in the design, manufacturing, and marketing of Buchla products and the development of an expanded product line, and the company moving forward under the name Buchla Electronic Musical Instruments (BEMI). One year later, BEMI re-introduced the Music Easel. Since then, BEMI has released a small number of new modules, including the 252e Polyphonic Rhythm Generator. The "200h" series of modules (h = half) were also released to allow Buchla system owners to configure their systems in more granular ways. ==Current status==