4ms Catalyst Controller
Eight-channel CV macro controller with scene morphing and crossfader
20 HP Eurorack module
The 4ms Catalyst Controller is a macro controller with eight precision CV outputs and a responsive crossfader for morphing between scenes. A scene is a snapshot of all eight channel output levels, functioning like a modular preset. Scenes are arranged into pathways of up to 64 scenes, traversed via the crossfader, external CV, or scene buttons. The module can record and play back up to 10 seconds of crossfader/CV motion, synced to an external clock. Each output offers sub-millivolt precision over a -5V to +10V range. Channels can be quantized to common scales, restricted to voltage ranges, or set to output gates. The Controller can also transform into a Catalyst Sequencer by holding a button combination.
Features
- Eight precision CV outputs with sub-millivolt accuracy (-5V to +10V)
- Responsive crossfader morphs between scenes along configurable pathways
- Up to 64 scenes per pathway across 8 banks (plus Classic Bank)
- Record and loop up to 10 seconds of crossfader/CV motion, syncable to external clock
- Per-channel quantization to 15+ scales including custom scales
- Per-channel morph curve, voltage range, and CV/Gate mode
- Adjustable slew with linear or exponential response curves
- Three scene button modes: Momentary, Blind, and Latch
- Copy/paste scenes within and across banks
- Per-channel randomization with re-seedable values
- Can transform into Catalyst Sequencer via button combination
- LED-ringed encoders show voltage level with color-coded indication
Controls & Jacks (37)
- Trig In
- Channel 2 Out
- Channel 4 Out
- Channel 5 Out
- Channel 7 Out
- CV In
- Channel 1 Out
- Channel 3 Out
- Reset In
- Channel 6 Out
- Channel 8 Out
- Channel 1
- Channel 3
- Channel 6
- Play / Rec
- Copy
- Morph / Range
- Scene 1
- Scene 2
- Scene 3
- Scene 4
- Scene 5
- Scene 6
- Scene 7
- Scene 8
- Shift
- Add / Delete
- Bank / Quantize
- Channel 2
- Channel 4
- Channel 5
- Channel 7
- Channel 8
- Fine
- Clock Div
- Random
- Pathway
How-To Guides
- Crossfade Chord Progression
- Synchronized Macro Automation
- Gate Sequencer with CV Morph
- 8-Channel CV Sequencer via Pathway
- Scene Morphing with Pathway Slider
- Random Generative Patch
- Quantized Pitch Sequences with Bank/Quantize
- Pairing with Catalyst Sequencer
Explore the interactive Catalyst Controller panel on BleepDex — tap any control to learn what it does.