Manual PDF / Manufacturer Info
RADAR is easy to underestimate if you think of it as “just” an 8-channel envelope generator. In practice, it can be a song-structure engine because it gives you:
That combination makes RADAR very useful for solving the classic Eurorack problem:
“I can make a great 8-bar loop, but I can’t make it evolve into a full song.”
The key insight is this:
Instead of assigning RADAR only to VCA plucks, use its channels to control:
Because there are 8 lanes, you can dedicate some to per-note articulation and others to slow structural changes over many bars.
From the manual, RADAR has 3 major modes:
Each lane can act as:
Important musical behaviors:
Each channel trigger is normalized to the next channel below.
This is huge for composition because one trigger stream can create a family of related modulations. You can drive several envelopes from one rhythm source, then vary times/shapes to create layered structure.
That means AR is especially good for: - longer held notes - phrase-level swells - section-dependent sustain - translating sequencer gate length into musical dynamics
Looping envelopes can become: - LFOs - asymmetrical clocks - slow song-shape generators - pseudo-sidechain motion - repeating rises/falls that drive arrangement changes
This is one of the most compositionally important features.
Musically: - Digital mode is tighter, more percussive, more clock-locked - Analog mode is more organic, legato, evolving, and less “start-stop”
For full songs, analog mode is often better for continuity between sections, while digital mode is better for clean groove articulation.
You can continuously vary between: - LOG - LIN - EXP
And the release can be: - equal to attack shape - opposite shape
This matters for arrangement because shape is not just timbre—it changes how tension and release feel over time.
Examples: - EXP decay = punchy, percussive - LOG rise = gradual bloom - LIN = neutral transitions - opposite mode = more natural rise/fall contrast
In Envelope Mode: - lane 4 can output the max of lanes 3+4 - lane 8 can output the max of lanes 6+7+8
This is excellent for making: - grouped drum accents - “highest energy wins” control voltages - combined section envelopes - dynamic bus modulation
These are maybe the most powerful “songfulness” tools in RADAR.
This lets one timing structure create coordinated movement across: - drums - bass - pads - melody - FX - stereo image - filter banks - multiple sequencers
Instead of all modulation happening at once, everything can take turns.
That is exactly how you get from a loop to a song.
A good song in modular usually needs three time layers:
Use RADAR for: - voice VCAs - filter plucks - FM index envelopes - wavefolder dynamics - LPG strikes
This gives the groove its immediate character.
Use RADAR for: - opening filter over 8 bars - increasing reverb send during fills - introducing ratchets or probability - changing bass envelope amount every phrase - changing sequence transpose depth
This creates progression.
Use RADAR in repeating mode or long AR envelopes for: - fade in percussion bus - slowly widen stereo field - raise distortion on climax - mute/unmute voices through VCAs - crossfade between sequencers - progressively increase modulation depth
This creates actual song form.
The beauty of RADAR is that a single module can cover all three layers at once.
Turn 2–4 voice loops into intro, verse, build, breakdown, and outro.
Use several RADAR channels to control VCAs placed after entire voice chains or submixes:
Trigger them from: - a master clock divider - a manual gate source - a sequential switch - a logic-derived section trigger
Instead of muting manually, RADAR can fade sections in and out musically. Different attack/release times give each part a role: - percussion can snap in - pads can bloom - bass can ease in late - FX can trail into transitions
Create verse-length and chorus-length events rather than tiny one-shot envelopes.
Send long gates from: - a gate sequencer - pressure controller - manual buttons - a macro sequencer - a clock divider with reset logic
Use AR lanes to control: - master filter opening - melody voice VCA - wavetable position modulation depth - delay feedback amount - drum send to reverb
A long gate can represent a musical section: - gate high = chorus - gate low = verse
In analog modeling AR mode, shorter or changing gates feel especially organic because attack may not always fully complete before release starts. This gives transitions that feel less rigid and more “performed.”
Escape static loops without needing a full song sequencer.
Set 2–4 RADAR lanes to Repeating with very slow rates: - one cycling every 8 bars - one cycling every 16 bars - one cycling every 32 bars - one slightly offset in shape/time
Patch them to: - probability amount on trigger modules - fill density on drums - sequence transposition CV depth - oscillator wavefold amount - noise level in percussion - reverb send amount - stereo panning CV attenuation - clock swing amount if supported
If several parameters evolve at different long periods, your patch produces song-length variation automatically. The repeating envelopes become low-frequency arrangement curves.
Use: - digital repeating for stable exact cycles - analog repeating for more fluid return behavior and more lifelike transitions
Create verse/chorus or A/B sections.
Use one RADAR lane and an inverted copy of it to control two VCAs or a crossfader.
For example: - Sequencer A -> VCA 1 -> quantizer/voice - Sequencer B -> VCA 2 -> quantizer/voice - RADAR lane opens VCA 1 while inverse closes VCA 2, or vice versa
Or use RADAR to crossfade: - two drum submixes - two filter outputs - dry/wet textures - bassline variants - two modulation buses
Crossfades create real arrangement changes while preserving continuity. A long RADAR envelope over 8–16 bars can make transitions feel composed rather than abruptly switched.
Make multiple voices evolve as parts of one larger form.
In Quad Mode, one group of four outputs is 90° apart.
Assign outputs to: - bass filter - lead VCA level - pad timbre - percussion density
Because each lane is phase shifted, each musical part peaks at different times.
Instead of all voices becoming brighter/louder together, they trade focus: - bass dominates first - then melody - then percussion - then texture
That feels like arrangement.
In Quad Mode, lanes 2–4 can handle: - Speed - Gravity - SDelta
Musically: - Speed = phrase tempo of the whole evolving movement - Gravity = how tightly the other channels pull toward or away from the main phase reference - SDelta = shape spread across voices, making each lane articulate differently
That lets you create “everyone changes together but not identically,” which is ideal for full-song development.
Create a whole-song modulation ecosystem.
In Oct Mode, all 8 outputs are 45° apart. Patch them to 8 destinations across the patch:
Now one modulation process distributes energy around the patch over time.
This prevents the common modular problem where every modulation peaks simultaneously and the patch feels looped. Oct Mode creates rotating emphasis.
Take one gate stream and grow a whole composition from it.
Feed one trigger pattern into the top lane and use the normalization downward. Set each lane differently: - Lane 1: short AD for pluck - Lane 2: longer AD for filter - Lane 3: AR for sustained VCA - Lane 4: repeating for local tremolo - Lane 5: long AD for FX send - Lane 6: very slow envelope for transposition depth - Lane 7: repeating for pan motion - Lane 8: long release for mix glue
One rhythmic motive can generate a hierarchy of musical consequences: - note attack - timbre bloom - ambience trail - phrase movement - section-level tension
That’s how a simple sequence becomes compositional material.
Build macro control signals that reflect activity in several lanes.
In Envelope Mode: - lane 4 can output max(lane 3, lane 4) - lane 8 can output max(lane 6, lane 7, lane 8)
Use lane 8 composite output to control: - master distortion amount - global filter brightness - sidechain ducking depth - delay send - compressor sidechain level - scene lighting in a performance patch
The max function behaves like an energy detector: whichever source is most active dominates. That gives arrangement-level control without messy CV mixing.
For example: - lane 6 = bass phrase intensity - lane 7 = lead phrase intensity - lane 8 = percussion accent envelope
Composite output then opens a reverb send whenever any of those become active.
That can make sections “bloom” naturally.
Add song markers every 8 or 16 bars.
Take a long clock division or end-of-phrase trigger and fire a RADAR lane that modulates: - snare decay - burst generator density - ratchet amount - sample player start point - filter resonance - mute VCA on kick for a short breakdown
Every 16 bars: - a RADAR AD envelope opens a VCA sending noise to percussion - another lane in repeating mode briefly increases delay send - another lane lowers bass level - then all return
This is one of the easiest ways to get from “loop” to “track.”
RADAR is extremely effective with: - Metropolix - Rene - Eloquencer - Hermod - Five12 Vector - NerdSEQ - Pamela’s Pro Workout as a trigger brain
Use RADAR to animate: - gate length via VCAs/logic - sequence transpose - modulation lane depth - probability amount - step selection through sequential switch addressing
Use one sequencer for notes and RADAR for everything that changes the meaning of those notes over time.
A sequential switch plus RADAR is a song machine.
Use RADAR to: - fade switched sources in/out - modulate which sequence is active - shape the transitions between switched timbres - control reset moments
Modules: - Doepfer A-151 - Vice Virga - Boss Bow Two - Verbos Sequence Selector
4 melodic sequences feed a switch. Every 8 bars a new sequence is selected. RADAR fades filter and amplitude differently for each handoff.
This is probably the most important pairing.
RADAR turns into an arranger when patched through lots of VCAs: - per-voice VCA - CV VCA - send-return VCA - submix VCA - master ducking VCA
Remember: full songs in modular often come from voltage-controlled mixing, not just more sequencing.
Use different RADAR shapes to make repeated phrases feel less repetitive.
Examples: - bass: short EXP decay for punch - chords: long LOG rise for swelling entrances - melody: AR with held gate for expressive sustain - percussion bus: repeating lane to animate filter opening over several bars
RADAR is excellent for arrangement through FX control.
Patch lanes to: - delay send - reverb send - feedback amount - shimmer depth - bitcrusher mix - chorus depth - stereo width
A full song often feels complete when space changes over sections. RADAR can automate those changes elegantly.
This is where song structure gets serious.
Use: - AND / OR / XOR logic - clock dividers - trigger delays - comparators - Bernoulli gates - burst generators
to create higher-level triggers that launch RADAR envelopes only: - every 4 bars - on fills - when a manual button is pressed - after probability conditions - when another envelope crosses a threshold
This makes RADAR behave like an arrangement director.
Use Oct Mode: - each output controls one parameter in a distributed ecosystem
Examples: - drone filter - drone amplitude - harmonic timbre - harmonic VCA - pulse rate modulation depth - pulse brightness - noise level - reverb send
The patch never feels static because emphasis rotates slowly through the system.
Instead of rigid sections, the song becomes: - emergence - blooming - density - suspension - dissipation
RADAR is perfect for this style.
Use one “section gate sequencer” or manual controller.
Use long AR gates for: - verse - pre-chorus - chorus - bridge
This gives you actual section behavior, not just pattern chaining.
Don’t spend all 8 channels on per-note envelopes.
A good rule: - 3–4 lanes for articulation - 2–3 lanes for phrase movement - 1–2 lanes for section control
A lot of modular patches stay “small” because modulation cycles are too short.
Let some RADAR lanes span: - 4 bars - 8 bars - 16 bars - even 32+ bars
That’s where songs start happening.
Examples: - “When does bass enter?” - “When does space increase?” - “When does melody become dominant?” - “How does density rise before the drop?”
RADAR can answer each of these with a lane.
A classic full-song move: Use one RADAR lane to open a VCA that controls another modulation source.
Example: - LFO -> VCA -> filter FM - RADAR controls that VCA
Now modulation itself appears only in later sections.
That’s very song-like.
Pam provides: - clocks - divisions - logic-ish trigger patterns - long gates - synced timing
RADAR provides: - contour - shape - phrase motion - arrangement fades
Together, they can build complete evolving structures.
Sequencer handles notes and pattern switching. RADAR handles: - voice entrances - timbral evolution - transition envelopes - buildup/release arcs
A matrix mixer lets one RADAR lane influence several destinations in controlled amounts.
One long envelope can simultaneously: - increase cutoff - increase reverb - reduce bass - widen stereo field
That is pure arrangement power.
Use RADAR to animate what would otherwise be manual fader moves. Great for recording whole performances into coherent tracks.
If you want one immediately useful setup:
You now have: - note-level dynamics - phrase-level change - section-level form
That is the architecture of a song.
RADAR helps create full-length songs because it can function as:
The reason many modular patches remain loops is not lack of notes, but lack of hierarchical control over time. RADAR gives you exactly that hierarchy.
If you approach it as: - some lanes for notes, - some lanes for phrases, - some lanes for sections,
then it becomes much more than an envelope generator: it becomes a song form module.