MATRIXSYNTH: Ebashi Audio Eurorack Modules Including Dual Aries PMS 338 PP

Monday, January 03, 2022

Ebashi Audio Eurorack Modules Including Dual Aries PMS 338 PP


Ebashi Audio CMOS 7555 CORE VCO /259 Timbre EXP /Triple LFO First touch ( no talking ) video upload by Dziam Bass

Ebashi Audio is a new maker of eurorack modules. You'll find their modules further below, including one based on the vintage Aries PMS-338 VCO. Note Nonlinear Circuits made one as well. The above video features the CMOS 7555 CORE VCO, 259 Timbre EXP, and Triple LFO (pics and descriptions for each further below).

Video description:

"It features Linear AC and Exponential FM inputs with attenuators, one Hard Sync input and a 1V / Octave tacking input, output and offset switch.

Connecting a signal to the EXP FM input will change the pitch of the oscillator.

The H-Sync and FM functions produce a full sound, and it octave tracks very well.

This VCO features four waveforms: Sine, Triangle, Ramp and Pulse wave.

There are trimpots for 1Volt / Octave tuning, High Frequency tracking, and Ramp wave connection. There are two trimpots for the sine wave: one for roundness and one for symmetry. The roundness trimmer also adjusts the amplitude of the sine wave a little.

Parameters are already set. If you would like to adjust these you can do it by ear or using an oscilloscope.

This 7555 VCO also features a 3-way switch providing 3 frequency ranges: MID, VCO and LFO.

The back of the module allows you to ‘pre patch’ various functions.

The Ebashi 259 Timbre module is a dual wavefolder inspired by the famous Timbre section of the Buchla 259 oscillator as implemented in the Easel.

There are four CV inputs, the first and fourth can be controlled with an attenuverter.

Two IN attenuators control the overall wavefold amount of each wavefolder.

Two inputs allow two oscillators to drive the Dual 295 Buchla Timbre simultaneously.

A switch enables the rich timbres of both wavefolders to be shaped in series or parallel.

A triple low frequency oscillator that provides manually variable wave shapes in a wide range of frequencies.

Two waveforms are available: triangle, and square wave.

Rate and Depth of each LFO can be adjusted and an independent 3-way switch provides 3 frequency ranges: MID, VCO or LFO.

The module also offers three outputs (A, B & C) which can be conveniently mixed down and out.

The back of the module allows you to ‘pre patch’ each of the four outputs.
The back of the module allows you to ‘pre patch’ various functions, including CV 1 and 4 as well as both inputs and outputs. There are also two trimpots for gain adjustment."



259 Timbre EXP € 200,00

"The Ebashi 259 Timbre module is a dual wavefolder inspired by the famous Timbre section of the Buchla 259 oscillator as implemented in the Easel.

There are four CV inputs, the first and fourth can be controlled with an attenuverter.

Two IN attenuators control the overall wavefold amount of each wavefolder.

Two inputs allow two oscillators to drive the Dual 295 Buchla Timbre simultaneously.

A switch enables the rich timbres of both wavefolders to be shaped in series or parallel.

The back of the module allows you to ‘pre patch’ various functions, including CV 1 and 4 as well as both inputs and outputs. There are also two trimpots for gain adjustment.

Comes fully calibrated.

Front panel: FR4 matt black, white silk print
Size: 12HP, 3U Eurorack compatible, Skiff and boat friendly.
Hardware: Aluminum Knobs
Delivery: Includes ribbon cable and 3mm rack screws."



CMOS 7555 CORE VCO € 200,00

It features Linear AC and Exponential FM inputs with attenuators, one Hard Sync input and a 1V / Octave tacking input, output and offset switch.

Connecting a signal to the EXP FM input will change the pitch of the oscillator.

The H-Sync and FM functions produce a full sound, and it octave tracks very well.

This VCO features four waveforms: Sine, Triangle, Ramp and Pulse wave.

There are trimpots for 1Volt / Octave tuning, High Frequency tracking, and Ramp wave connection. There are two trimpots for the sine wave: one for roundness and one for symmetry. The roundness trimmer also adjusts the amplitude of the sine wave a little.

Parameters are already set. If you would like to adjust these you can do it by ear or using an oscilloscope.

This 7555 VCO also features a 3-way switch providing 3 frequency ranges: MID, VCO and LFO.

The back of the module allows you to ‘pre patch’ various functions.

Comes fully calibrated.

Front panel: FR4 matt black, white silk print
Size: 12HP, 3U Eurorack compatible, Skiff and boat friendly.
Hardware: Aluminum Knobs
Delivery: Includes ribbon cable and 3mm rack screws.




Dual Aries PMS 338 PP EXP € 200,00

The Ebashi Dual Aries PMS 338 PP is based on the classic Aries synthesizers where you can combine a triangle wave with a square / pulse wave to create a step shifted pulse wave.

The back of the module allows you to ‘pre patch’ certain functions

Front panel: FR4 matt black, white silk print
Size: 12HP, 3U Eurorack compatible, Skiff and boat friendly.
Hardware: Aluminum Knobs
Delivery: Includes ribbon cable and 3mm rack screws."



Dual Wavefolder EXP € 200,00

The Dual Wavefolder features 4 CV inputs, a Mix Out, and a Series and Parallel switch.

The first and fourth CV inputs can be controlled with an attenuverter.

The shape and range of each wavefolder can be adjusted with the attenuators.

Two inputs allow two oscillators to drive the both wavefolders simultaneously.

A switch enables the rich timbres of both wavefolders to be shaped in series or parallel.

The back of the module allows you to ‘pre patch’ various functions, including CV 1 and 4 as well as both inputs and outputs. There are also two trimpots for gain adjustment and two trimpots for symmetry adjustment.

Can be split in 2 separate, 2 in parallel and 2 in series.

The back of the module allows you to ‘pre patch’ certain functions.

Comes fully calibrated.

Front panel: FR4 matt black, white silk print
Size: 12HP, 3U Eurorack compatible, Skiff and boat friendly.
Hardware: Aluminum Knobs
Delivery: Includes ribbon cable and 3mm rack screws.



Triple LFO € 180,00

A triple low frequency oscillator that provides manually variable wave shapes in a wide range of frequencies.

Two waveforms are available: triangle, and square wave.

Rate and Depth of each LFO can be adjusted and an independent 3-way switch provides 3 frequency ranges: MID, VCO or LFO.

The module also offers three outputs (A, B & C) which can be conveniently mixed down and out.

The back of the module allows you to ‘pre patch’ each of the four outputs.

Front panel: FR4 matt black, white silk print
Size: 12HP, 3U Eurorack compatible, Skiff and boat friendly.
Hardware: Aluminum Knobs
Delivery: Includes ribbon cable and 3mm rack screws.



UTILITY – 1 Mix Mult € 180,00

Part 1 of the Ebashi Audio Utility Series

This slick audio & CV mixer, summer and multiplier has three main functions:

Buffered Multiple
The first four rows of the module is a buffered multiple that distributes 1-4 input signals without a voltage drop into 12 outputs.

4:4 Summer
The 4 signals patched in the IN inputs are added, and sent to each of the 4 OUT outputs. The added input signals make it possible to octave-adjust the output.

This section can also be used as a 1:4 buffered multiple.

3-Input Mixers
The final two rows of this utility module feature two 3:1 mixers. The 3 IN inputs are averaged and mixed to one output with a gain of 33%.

Front panel: FR4 matt black, white silk print
Size: 12HP, 3U Eurorack compatible, Skiff and boat friendly.
Hardware: Aluminum Knobs
Delivery: Includes ribbon cable and 3mm rack screws.

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