It's Digital

Walrus Audio Meraki Stereo Analog Dual Delay

Walrus Audio
INVCAOUT

Voicing

Voices
0
Polyphony
0
Multitimbral
no
Unison
no
Portamento
no
Mono legato
no

Oscillators

Oscillators
0
Noise source
no

Cross-modulation

Hard sync
no
Osc FM / X-mod
no
Ring mod
no

Envelopes

Count
0
Stages
multi-stage
Assignments
—

LFO

Count
0
Waveforms
—
Destinations
—
Tempo sync
no

Modulation

Mod matrix
no
Patchbay
no

Performance & I/O

Velocity
no
Aftertouch
no
Mod wheel
no
Pitch bend
no
Onboard FX
stereo analog delay, chorus/vibrato-style delay modulation, tilt EQ on delay lines
Audio out
stereo 1/4" outputs labelled OUT L/MONO and OUT STEREO
MIDI
yes
USB
no
CV / gate
no
Notes
Delaysanalogcapability-v4fx: onboard

Signal flow rendered server-side as inline SVG from capability.json: no WPF, no client JavaScript.

Provenance

Confidence
high
Last verified
2026-09-18
Via
add-hardware@v1 source_run 2026-09-18T08-46-22Z-studio-add-hardware

Manual PDF from Walrus Audio product page grounds controls, delay range, modes, bypass options, MIDI CCs, power, technical info, and internal feedback trim pots. Manufacturer product page and front-panel photo ground finish, livery, physical control morphology, and side/top jack labels. No local manual path was provided in the task.

Raw capability.json
{
  "schema_version": "capability-v4",
  "id": "walrus-audio-meraki",
  "name": "Walrus Audio Meraki Stereo Analog Dual Delay",
  "maker": "Walrus Audio",
  "clone_of": null,
  "type": "analog",
  "type_note": "Manufacturer describes Meraki as a true stereo analog delay using eight MN3005 bucket-brigade chips; MIDI controls digital parameters but the delay character is analog.",
  "voices": 0,
  "voices_note": "Effects pedal, not a voiced instrument.",
  "multitimbral": "no",
  "control_style": "dial-led",
  "device_class": "delay",
  "voicing": {
    "polyphony": 0,
    "unison": false,
    "unison_detune_spread": false,
    "portamento": false,
    "mono_legato": false
  },
  "oscillators": {
    "count": 0,
    "noise": false,
    "per": []
  },
  "cross_mod": {
    "hard_sync": false,
    "osc_fm": false,
    "ring_mod": false
  },
  "filters": [],
  "filter_routing": "_verify",
  "envelopes": {
    "count": 0,
    "assignments": [],
    "stages": "multi-stage",
    "per": []
  },
  "lfo": {
    "count": 0,
    "waveforms": [],
    "destinations": [],
    "sync": false
  },
  "modulation": {
    "mod_matrix": false,
    "mod_matrix_size": null,
    "patchbay": false,
    "vibrato_lever": false
  },
  "performance": {
    "velocity": false,
    "aftertouch": false,
    "mod_wheel": false,
    "pitch_bend": false
  },
  "fx_onboard": [
    "stereo analog delay",
    "chorus/vibrato-style delay modulation",
    "tilt EQ on delay lines"
  ],
  "params": {
    "delay": {
      "topology": "true stereo analog BBD delay with eight MN3005 chips",
      "time_ms": "80..1200",
      "channels": 2,
      "stereo_modes": [
        "parallel",
        "ping-pong",
        "series"
      ],
      "feedback": "left and right repeat amount, single repeat to full oscillation",
      "mix_wet_dry": true,
      "tap_tempo": true,
      "tap_tempo_target": "delay_time",
      "tap_tempo_subdivisions": [
        "1/4",
        "dotted 1/8",
        "1/8"
      ],
      "tone_filter": "Tilt EQ in the delay lines; clockwise cuts lows/boosts highs, counter-clockwise cuts highs/boosts lows",
      "mod": {
        "present": true,
        "depth": "front-panel MOD knob",
        "rate": "secondary function: hold BYPASS and turn MOD",
        "wave_shapes": [
          "sine",
          "square",
          "random"
        ],
        "phase": [
          "0",
          "90",
          "180"
        ]
      },
      "linkable": true,
      "linkable_note": "SYNC adjusts both sides; L and R allow independent left/right time, divisions, mod depth/rate/shapes."
    }
  },
  "io": {
    "audio_out": "stereo 1/4\" outputs labelled OUT L/MONO and OUT STEREO",
    "audio_in": "stereo 1/4\" inputs labelled IN L/MONO and IN STEREO",
    "midi": true,
    "usb": false,
    "cv_gate": false,
    "exp_in": {
      "present": true,
      "format": "_verify",
      "default_mode": "external_tap_or_expression",
      "default_mode_targets": [
        "tap_tempo",
        "time",
        "mod_depth"
      ],
      "note": "EXP/TAP side jack; internal DIP switches select external tap or expression. MIDI exposes more expression destinations."
    },
    "midi_note": "5-pin MIDI IN and MIDI THRU are labelled on the top panel; manual provides CC mappings for divisions, sync, feedback path, time, mod depth/rate, mod shape, phase, bypass, feedback ramp, tap tempo, expression destination, and bypass mode.",
    "bypass_type": "true_bypass_or_buffered_bypass",
    "bypass_type_note": "Manual states True bypass/no trails or Buffered bypass/trails; product page lists True-Bypass or Buffered Bypass for Trails.",
    "power_dc": "9V DC center negative, 500mA minimum",
    "rack_format": "pedal"
  },
  "morphology_overrides": [],
  "provenance": {
    "confidence": "high",
    "last_verified": "2026-09-18",
    "verify_via": "add-hardware@v1 source_run 2026-09-18T08-46-22Z-studio-add-hardware",
    "verify_note": "Manual PDF from Walrus Audio product page grounds controls, delay range, modes, bypass options, MIDI CCs, power, technical info, and internal feedback trim pots. Manufacturer product page and front-panel photo ground finish, livery, physical control morphology, and side/top jack labels. No local manual path was provided in the task.",
    "fields": {
      "type": {
        "conf": "high",
        "pg": 1
      },
      "device_class": {
        "conf": "high",
        "pg": 1
      },
      "fx_onboard": {
        "conf": "high",
        "pg": 1
      },
      "params.delay.topology": {
        "conf": "high",
        "pg": 1
      },
      "params.delay.time_ms": {
        "conf": "high",
        "pg": 2
      },
      "params.delay.stereo_modes": {
        "conf": "high",
        "pg": 3
      },
      "params.delay.feedback": {
        "conf": "high",
        "pg": 1
      },
      "params.delay.tap_tempo": {
        "conf": "high",
        "pg": 4
      },
      "params.delay.tap_tempo_subdivisions": {
        "conf": "high",
        "pg": 2
      },
      "params.delay.tone_filter": {
        "conf": "high",
        "pg": 2
      },
      "params.delay.mod": {
        "conf": "high",
        "pg": 1
      },
      "io.audio_in": {
        "conf": "medium",
        "pg": null
      },
      "io.audio_out": {
        "conf": "medium",
        "pg": null
      },
      "io.midi": {
        "conf": "high",
        "pg": 6
      },
      "io.exp_in": {
        "conf": "high",
        "pg": 4
      },
      "io.bypass_type": {
        "conf": "high",
        "pg": 4
      },
      "io.power_dc": {
        "conf": "high",
        "pg": 7
      }
    },
    "generated": {
      "method": "add-hardware@v1",
      "date": "2026-09-18",
      "council_run": "2026-09-18T08-46-22Z-studio-add-hardware",
      "sources": [
        {
          "type": "manual",
          "ref": "https://cdn.shopify.com/s/files/1/0906/8480/files/Red_Meraki_Digital_Manual.pdf?v=1701359584",
          "note": "Grounded main controls, switch secondary functions, delay range, feedback modes, bypass modes, tap/oscillation behavior, external tap/expression, MIDI CC table, technical specs, and internal feedback trim pots."
        },
        {
          "type": "web",
          "ref": "https://www.walrusaudio.com/collections/all-effect-pedals/products/meraki-stereo-analog-dual-delay",
          "note": "Grounded manufacturer product identity, true stereo analog delay description, eight MN3005 chips, finish/livery, dimensions, power, and product manual link."
        },
        {
          "type": "web",
          "ref": "https://www.walrusaudio.com/cdn/shop/files/Meraki-Red_front_900x.jpg?v=1748874610",
          "note": "Grounded front-panel control morphology, panel order, printed labels, side/top jack labels, status LEDs, and palette."
        }
      ],
      "section_confidence": {
        "identity": "high",
        "fx_onboard": "high",
        "params.delay": "high",
        "io": "medium",
        "panel.EFFECTS": "high",
        "panel.IO": "medium",
        "panel.MIDI": "high"
      },
      "agent": "codex"
    }
  }
}