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Blue Cat Audio Releases Blue Cat's MB-7 Mixer 3.4 10th Anniversary Update (2021/05/04)
Blue Cat Audio Releases Blue Cat's MB-7 Mixer 3.4 10th Anniversary Update (2021/05/04)


Blue Cat Audio Releases Blue Cat's MB-7 Mixer 3.4 10th Anniversary Update

Paris, 2021/05/04: Blue Cat Audio ( ) has released a significant update of Blue Cat's MB-7 Mixer for the 10th anniversary of this multiband multi-effects processor, also capable of transforming any third party plug-in into a multiband effect.

With a focus on performance and stability, this new version adds a new multicore processing engine that can process each band on a separate CPU core, with up to 7 times the processing power, to load more effects. Many aspects of the DSP have also been optimized to reduce the CPU and memory usage, and more third party plug-ins can now be loaded thanks to several compatibility improvements. With many additional features and fixes (full list below), this 27th release is a major step forward for this plug-in that was initially released in 2011.

An optimized build for the new Apple M1 Macs is also available to customers as a preview, with great performance improvements, as shown in the company's benchmark comparing Apple M1 and Intel Macs for audio (

The free update can be downloaded from the same location as the original full version for MB-7 Mixer V3 owners (link received by email upon purchase). And for new customers, it is exceptionally on sale (23% off) until June 4th, while existing customers will receive an even better deal by email. Demo versions are available on in most plug-in formats for Mac and Windows PC.

New Features & Improvements:
- Up to 7 times more processing power with the new multicore engine that processes each frequency band on a different core.
- New DSP workload meter that displays the DSP activity and CPU load.
- Added MIDI control support (MIDI CC messages) for Next and Previous Preset commands, with MIDI learn.
- Reduced time to load the MB-7 Mixer or any built-in plug-in.
- Multiple DSP performance improvements.
- Level meters and frequency analyzers are not computed anymore when the user interface is closed, reducing CPU usage.
- Reduced the number of threads used by the plug-in.
- Improved global and preset settings window loading time on Windows.
- Added ability to select the plug-in to load when a shell plug-in file is dragged and dropped onto a slot.
- Full unicode support.
- Preset files can now be dropped onto the preset LCD area to be loaded.
- Improved "Tone Maps" user interface (available for 9 built-in effects).
- Native Apple M1 support available as a preview.

- Fixed host loop end value not properly passed to hosted plug-ins, for the VST2 version.
- Fixed several crashes upon load for multiple third party plug-ins (mostly VST3).
- Fixed MIDI control for hosted plug-ins not always working when fed with silence.
- Fixed VST3 (and sometimes VST) version freezing Ableton Live upon save on Windows.
- Fixed harmonizer and Pitch Shifter built-in plug-ins that did not always flush their buffer upon bypass (short sounds could be heard when getting out of bypass)

System requirements:
- Intel (or M1) Mac running Mac OS 10.7 or newer.
- Windows PC running Windows Vista or newer.


Blue Cat's MB-7 Mixer: 99 EUR or $99 (instead of 129) until June 4th 2021

Included screenshots: