Cumulus Loopscaper
🌩️ Overview
The Cumulus Loopscaper by Rainy Day Electronic Instruments is a sample-based instrument and live audio processor. It combines deep sample and loop manipulation with real-time performance features, making it both a creative sampler and a dynamic effect pedal. With four independent tracks, powerful filters, LFOs, envelopes, and modulation, and an intuitive touchscreen/encoder interface, Cumulus is designed for studio sound design and live improvisation alike.
✨ Features
Core Engine & Tracks
- 4 independent tracks, each with its own playhead
- Play samples via MIDI, onboard keyboard, or track play buttons
- Playback modes: UNISON, POLY, MPE (polyphonic aftertouch + CC#74), POLYCH
- Latching tracks for sustained playback
Interface & Control
- Responsive touchscreen for visual feedback, waveform zoom, parameter display
- 4 tactile encoders with coarse/fine scaling
- Global volume + global filter knobs
- Dedicated buttons: power, menu, track select/play, octave up/down, record, SHIFT, CPY (copy), ABS (absolute), RND (randomize), CLEAR
Sample & Loop Manipulation
- Adjustable loop start/end points, speed control per track
- Zoom utility for precise loop editing
- ABS Mode: selected tracks match a “key” track’s values
- CPY Function: duplicate full parameter sets across tracks
Sound Design Tools
- Global Filter (LP, BP, HP with resonance)
- Per-Track Stereo Resonant Filters with FREQ, RES, DRIVE (self-oscillating if RES > 1.0)
- Dual LFOs per track: multiple waveforms, syncable to MIDI clock
- Dual 6-stage envelopes per track: AMP ENV + MOD ENV (attack, decay, sustain, release, delay, hold; loopable)
- Huge modulation matrix: 32 destinations per track, modulated by envelopes, LFOs, velocity, aftertouch, CC#74, keytracking
- Global Reverb with size, diffusion, LP, mix
Performance & Recording
- Record from line in, mic, USB, or resample output
- Up to 45 seconds per sample, with threshold-based auto-recording
- Live mode: real-time processing of incoming audio (like an FX pedal) with buffer + feedback control
- Randomization and Clear functions for instant inspiration/reset
Connectivity & Storage
- 3.5mm TRS-A MIDI input
- Line-level audio in/out + headphone out
- USB-C for audio, power, MIDI, and charging
- Onboard mic
- Micro SD card for samples/presets (44.1kHz, 16-bit, <8MB samples)
- Save/load presets with full patch + sample references
- Online Chrome-based patch editor for deep remote editing
Power & Portability
- Powered by 1×18650 battery (not included)
- ~10.5 hours runtime with 2,500mAh battery
- Charges during operation + auto-save on low battery
💲 Pricing
From the shop page:
- USD $450
Converted (approximate as of September 2025):
- AUD $685
- EUR €415
- GBP £355
📅 Release Date
- Listed as Available now (2025) on Rainy Day EI’s shop.
📊 Summary Table
| Aspect | Details |
|---|---|
| Product Name | Cumulus Loopscaper |
| Developer | Rainy Day Electronic Instruments |
| Type | Sample-based instrument + live audio processor |
| Tracks | 4 independent tracks with individual playheads |
| Key Features | Touchscreen, encoders, ABS/CPY modes, filters, dual LFOs + envelopes, large modulation matrix, global reverb |
| Recording | Line in, mic, USB, resampling, up to 45s per sample |
| Live Mode | Real-time FX processing with buffer + feedback |
| Connectivity | 3.5mm TRS-A MIDI in, line in/out, USB-C (audio, MIDI, power), headphone out, microSD |
| Storage | Preset + sample management on microSD, Chrome patch editor |
| Power | 18650 battery (~10.5 hrs) or USB-C charging |
| Price | USD $450 / AUD $685 / EUR €415 / GBP £355 |
| Release Date | 2025 (Available now) |
Price: $475
