SOURCE OF UNCERTAINTY - New Collaboration Between Buchla & Black Corporation's Roman Filippov

Soviet Space Child wrote in to let us know Buchla has teamed up with Black Corporation's Roman Filippov to release reissues of classic Buchla modules though a new venture called SOURCE OF UNCERTAINTY. From their new website https://sourceofuncertainty.com:

"AUTHENTIC REISSUES OF CLASSIC BUCHLA MODULAR. Source of Uncertainty is the official store for Buchla Classic Reissues, created by Roman Filippov of Black Corporation.

BUCHLA CLASSIC REISSUES SIGNIFY A RETURN TO PRODUCTION OF THE ICONIC COMPOSITIONAL AND PERFORMANCE TOOLS, using original parts wherever possible, plus minor adaptations for greater low-noise performance and reliability and component availability. We ship worldwide, direct from the engineer."


Roman actually got started cloning Buchla modules prior to forming Black Corporation. See the labels below or do a search for him if you want to go down the rabbit hole.

The following are the current modules listed:

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Buchla Music Easel Clone

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

This one was spotted and sent in via M Me.

"Roman clone (black-corporation.com) modeled after the original 70's first easel, except it has an infinite sustain mod.

Boards built by Eric Logan of Low Gain Electronics (low-gain.com)

Final calibration done by Dave at Modular Synthesis (modularsynthesis.com)

Power Supply

Infinite Sustain Modification"

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Rojo Music Machines - 288r Time Domain Processor

Note: Auction links are affiliate links for which the site may be compensated.

via NOISEBUG Reverb

You can find demos of the 288r in previous posts here. Note there is also a 288v by Mark Verbos. The r in 288r is for Roman Filippov of Sputnik and Black Corporation.

"Module is essentially brand new and has only been played twice.

Time Domain Processor

24bit/196KHz sound quality (switchable to 12bit "vintage" mode)
up to 40 seconds of looping buffer (switchable to original short loop timings)
both timing and phase/mixing presets are set up by trimmers and dip-switches on a back of a module, no need to wire or change resistors"

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Electric Music Store - 257r (Buchla Format)

Note: Auction links are affiliate links for which the site may be compensated.

via NOISEBUG Reverb



"This module is in great shape and fully functioning.

257r - Consists of two identical sections, each of which permits several applied control voltages to define a single output voltage according to the equation: V_a K + V_b (1 - M) + M * V_c + V_offset = V_out

The algebraic manipulations possible with this module include addition, subtraction, scaling, inversion, and multiplication. Also incorporated is the capability of using one control voltage (M) to transfer control from one applied voltage (V_b) to another (V_c)."

Additional 257r posts

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Electric Music Store - 281r

Note: Auction links are affiliate links for which the site may be compensated.

via NOISEBUG Reverb



"The model 281 Quad Envelope Generator replaces models 280 and 284, and features independent voltage control of times, expanded time ranges (.001 seconds to 5 minutes), quadrature outputs, internal looping for repetitive function generation, remote control for digitally aided systems, and combining networks for creating complex transient functions."

Additional 281r posts

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Electric Music Store - 277r

Note: Auction links are affiliate links for which the site may be compensated.

via NOISEBUG Reverb

"This unit is subtly wonky when the delay time is changed. Unit is being SOLD AS IS in hoping a good DIYer can get it working 100%."

Additional 177r posts

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Electric Music Store - 292Cr

Note: Auction links are affiliate links for which the site may be compensated.

via NOISEBUG Reverb

"This units 'ALL' output does not send any audio. Everything else functions as it should. Unit is being SOLD AS IS.

Four independent gates with selectable amplitude-dependents spectral characteristics. Knob settings and applied control voltages determine levels and cutoff frequencies. A summed output facilitates voltage controlled mixing.

The Model 292, with the capability of simulating the spectral and amplitude changes that accompany a receding sound source, is one of several Electric Music Box modules that can deal with spatial localization and movement. [Others are the Model 227 System Interface and the 285 Frequency Shifter/Balanced Modulator (for Doppler shift).]

Frequency domain gating can impart a dynamic tonal variation to sounds that gives the listener a sense of absolute loudness. This quality is characteristic of all acoustic instruments (the harder you strike, pluck, or bow, the richer the overtone structure), but has been lacking in electronic instrumentation."

Note Electric Music Store is Roman Filippov's of Black Corporation. This appears to be the first post to feature the 292Cr.

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Buchla 288r Multi Audio Processing

video upload by Todd Barton

"A look and listen to processing the tap outs of the 288r through different audio processors: Spectral, Ring and Frequency Shift. Also a big shout out to Kyle at Source of Uncertainty podcasts and Patreon for an excellent, don't miss deep dive into the 288r. If you have the module or are contemplating getting one you have to watch his video! Source of Uncertainty Podcasts:
https://sourceofuncertainty.audio/pag...
Source of Uncertainty Patreon:
https://www.patreon.com/sourceofuncer...
My Patreon:
https://www.patreon.com/synthtodd"

Buchla 288r seq looping

video upload by Todd Barton

"Using the MARF to sequence the varying speed of the sequence, trigger periodic audio feedback via the 288r and occasionally unfold some Mod Index. Also, different pulse output of the MARF start the 288r Time Domain Processor to loop. Enjoy!
https://www.patreon.com/synthtodd"

Buchla MARF 1 to EF to MARF 2

video upload by Todd Barton

"More explorations for the Buchla MARF and 288r Time Domain Processor.

My patreon: https://www.patreon.com/synthtodd"

Two Buchla 288r Looped

video upload by Todd Barton

"More explorations . . ."

Todd Barton 288r demos

Buchla Dual 288r experiment

video upload by Todd Barton

"experimenting with two 288r Time Domain Processors and sending different CVs to Time of the first TDP for different rhythmic shapes/gestures.
My Patreon: https://www.patreon.com/synthtodd"

Todd Barton 288r demos

Sweeping the Harmonics 288r

video upload by Todd Barton

"Sending CV to the Time CV In to sweep the delays which end up sounding like harmonic sweeps to me . . . the experiments continue. Oh, and then some feedback distortion for fun."

Todd Barton 288r demos

Krell with 288r

video upload by Todd Barton

"Some Buchla sonic fireworks for the 4th! Enjoy!"

Buhla 288r Controlled Feedback

video upload by Todd Barton

"Today's little experiment: sequenced and controlled feedback in the Buchla 288r Time Domain Processor."

Todd Barton Buchla 288r posts

Knarly Buchla 288r

video upload by Todd Barton

"Back to exploring the terrain of the Buchla 288r Time Domain Processor."

Buchla 288r Feed

video upload by zack dagoba

"First patch on the 288r - this thing is GREAT for crazy feedback.."

Buchla 288r EF to Time

video by Todd Barton

"Riffing off an idea from Adam Scramstad . . .

My Patreon: https://www.patreon.com/synthtodd"

Search for 288r on the top right of the site for additional posts.

Impromptu Buchla 288r Summit

video by Todd Barton

"Last week I and my friends Adam Scramstad and Kyle Swisher got the new Buchla 288r Time Domain Processor by Roman Filippov. We were not the only ones...it seems there are a lot of these modules out in the wild now and lots of cool sharings from many folks on Instagram, Facebook, Youtube et al.
So. . . on a whim I asked if Kyle and Adam would like to join me for an impromptu "summit" meeting to discuss this module. This is our Zoom meeting from last night. Enjoy!"

Todd Barton composer, sonic adventurer, performer and teacher
Instagram @synthtodd
Patreon https://www.patreon.com/synthtodd
Soundcloud https://soundcloud.com/user7621213
Website https://toddbarton.com

First Encounters with Buchla 288r

video by Todd Barton

"More to come . . . enjoy!

https://www.patreon.com/synthtodd"