MATRIXSYNTH: Strange Science M-4: Advanced Stereo Mixer Eurorack Module

Tuesday, April 10, 2018

Strange Science M-4: Advanced Stereo Mixer Eurorack Module

via Strange Science.

"You have 2 ears. You hear in stereo. You mix music in stereo. So why do most modular setups output all that glorious sound in mono? Our first product, the M-4: Advanced Stereo Mixer brings glorious stereo sound to your modular synth! Just plug in your oscillators, filters, and other sources and control everything using the onboard knobs or with any CV/audio source. Enjoy the newfound space and motion!

The Details:

At its core, M-4 is a ridiculously low-noise 4-input stereo mixer but it goes much further than that. Unlike most other stereo mixers on the market, M-4 gives you CV control of volume and pan on all channels.

In addition to this, each channel has a "normalled" Direct Output that lets you send your chosen channel off to other modules for additional processing. Plugging something into this jack "breaks off" that channel and you no longer hear that input in the master output. This effectively converts that channel into a high-grade VCA and opens up a world of creative mixing and routing possibilities.

The volume and pan CV inputs support two ranges, +/- 5V and +/- 10V, which can be switched on a per-channel basis. In conjunction with their corresponding knobs, these inputs can accommodate all types of control inputs, for example LFOs or ADSR envelopes. What’s more, in addition to standard LFO/ADSR inputs, these CV inputs also accept audio rate signals. This means you can modulate the volume and pan position of incoming signal with other audio signals. This can open up tons of possibilities for modulation/distortion effects!

The "Response" switch lets you set the response characteristics of the CV inputs for each channel. “Linear” will modulate the gain of the channel in a linear fashion - suitable for modulating audio signals with LFOs or ADSRs. In “dB” mode, the channel's gain has a constant dB/V response, which is great for detailed volume control.

The Pass-Thru inputs route a stereo pair of inputs straight to the Master Output knob. This lets you daisy-chain multiple mixers or easily play along with any line-level stereo source (synths, drum machines, iPhone/iPad apps, your computer, etc.)

Finally, the large Master Out knob sets the output level of the mixer. M-4's low noise circuitry means you'll have silent operation even if you have cranked up the Channel Volume and Master Output knobs.

Key Features:

4-input, stereo output mixer module
Ultra-low noise circuitry
CV control of Volume and Pan on each channel
"Response" switch sets CV input response curve to Linear or dB
Direct Output lets you send channels off to other modules
63mm depth (rail-to-back) will fit most cases and skiffs
Rear cards secured with screws. Will not vibrate or shake loose.
CNC machined, infilled aluminium front panel (no silk-screen)
28HP and fully compliant with the Eurorack standard
Made in the USA and Sweden"

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