{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Mystic Circuits 0HP Envelope Generator",
    "brand": "Mystic Circuits",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-mystic-circuits-0hp-envelope-generator-mystic-circuits-0hp-envelope-ge-1777ed7e",
    "url": "https://envoy-music.myshopify.com/products/gm-mystic-circuits-0hp-envelope-generator-mystic-circuits-0hp-envelope-ge-1777ed7e",
    "catalog_product_id": "product_d8781b6a1777ed7e",
    "lane": "production",
    "product_object": "eurorack"
  },
  "offer": {
    "price": 41.09,
    "currency": "CAD",
    "available": true,
    "condition": "Excellent",
    "price_band": "entry",
    "source_verified_at": null
  },
  "specifications": {"type":"json","groups":[{"name":"0HP functions","fields":[{"label":"Module family","value":"0HP utility module mounted as a small circuit board on laser-cut plexiglass","source":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope"},{"label":"Gate behavior","value":"With a gate input, output behaves as a sustain-release envelope: high while the gate is high, then decays after the gate goes low","source":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope"},{"label":"Audio behavior","value":"With audio patched in, it acts as an envelope follower that extracts amplitude data","source":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope"},{"label":"CV slew behavior","value":"With positive control voltage input, it acts as a slew that adds glide when incoming voltage falls","source":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope"},{"label":"Time control","value":"Voltage control over release\/response time","source":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope"},{"label":"Input mult","value":"On-board input multiple for daisy-chaining envelopes or passing audio onward while extracting amplitude","source":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope"}]}]},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["keyboard stand","sustain pedal","headphones or amp"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": null,
    "watchouts": null,
    "verification_questions": ["Can you confirm exactly what is included in the sale and show it in current photos?","Are there any functional issues, repairs, or missing parts not shown in the listing?","Can you provide close-up photos of wear points, serial numbers, and any modifications?","Can you confirm the core specs that matter for compatibility in this setup?","Is this still available and has anything changed since the listing was posted?"]
  },
  "retrieval": {
    "summary": "Mystic Circuits 0HP Envelope Generator [USED]. Mystic Circuits. 0HP Envelope Generator. Keyboards and Synths. Keyboards and Synths \/ Synths \/ Eurorack. available from reverb. price range 29.99 USD. condition Excellent. - Buy with confidence: guaranteed to be 100% functional - Peace of mind: the photos above are the actual unit you will receive - Pay over time: financing available - Free, fast shipping on most orders Any notable cosmetic issues will be noted below in red. The photos shown above are of the actual unit you will receive. All included accessories \u0026 peripheral items are pictured above and\/or documented below in bulleted text. Contact us for general information about used item condition and policies.. Mystic Circuits 0HP Envelope Generator [USED]. Mystic Circuits. 0HP Envelope Generator. . Excellent. Keyboards and Synths. Keyboards and Synths \/ Synths \/ Eurorack. - Buy with confidence: guaranteed to be 100% functional - Peace of mind: the photos above are the actual unit you will receive - Pay over time: financing available - Free, fast shipping on most orders Any notable cosmetic issues will be noted below in red. The photos shown above are of the actual unit you will receive. All included accessories \u0026 peripheral items are pictured above and\/or documented below in bulleted text. Contact us for general information about used item condition and policies.. Perfect Circuit. Burbank, CA, United States. tags source:reverb family:keyboards_and_synths listing_status:live brand:mystic_circuits model:0hp_envelope_generator category:keyboards_and_synths_synths_eurorack price_band:entry segment:beginner condition:excellent has:photos",
    "agent_summary": "Mystic Circuits 0HP Envelope Generator is a beginner-friendly keyboards and synths listing with marketplace-sourced data. Mystic Circuits 0HP Envelope Generator [USED] currently sits around 29.99 USD. - Buy with confidence: guaranteed to be 100% functional - Peace of mind: the photos above are the actual unit you will receive - Pay over time: financing available - Free, fast shipping on most orders Any notable cosmetic issues will be noted below in red. Marketplace data is richer on listing context, but it needs more buyer verification. Good visual coverage for spot-checking the item. Marketplace listing quality varies by seller, so condition and included items still need verification.",
    "intent_terms": ["Mystic Circuits 0HP Envelope Generator [USED]","Mystic Circuits","0HP Envelope Generator","Keyboards and Synths","Keyboards and Synths \/ Synths \/ Eurorack","brand:mystic_circuits","category:keyboards_and_synths_synths_eurorack","condition:excellent","family:keyboards_and_synths","has:photos","listing_status:live","model:0hp_envelope_generator","price_band:entry","segment:beginner","source:reverb","brand mystic circuits","category keyboards and synths synths eurorack","condition excellent","family keyboards and synths","has photos","listing status live","model 0hp envelope generator","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","Perfect Circuit","Best suited to beginners or budget-constrained shoppers building a first usable rig.","Players building a first keyboards and synths setup with limited budget and a need for obvious","low-friction value."],
    "use_cases": ["modular-synthesis","sound-design"],
    "skill_level": "intermediate"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["marketplace"],
    "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":1},
    "spec_provenance": {"specifications":{"source_url":"https:\/\/www.mysticcircuits.com\/product\/0hp-envelope","method":"gear_universe_read_model","fetched":"2026-07-30"}}
  },
  "related": {
    "similar_item_ids": ["product_a9483ec4531f3d35","product_7ecb3ab282786ed5","product_5794c0ae5b1f19ac"],
    "comparison_reasons": ["source_count:1","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"]
,
    "related_products": [{ "title": "Mystic Circuits 0HP Filter", "url": "https://envoy-music.myshopify.com/products/gm-mystic-circuits-0hp-filter-mystic-circuits-0hp-filter-used-531f3d35", "handle": "gm-mystic-circuits-0hp-filter-mystic-circuits-0hp-filter-used-531f3d35" },{ "title": "Mystic Circuits 0HP Butt0n Signal Router", "url": "https://envoy-music.myshopify.com/products/gm-mystic-circuits-0hp-butt0n-signal-router-mystic-circuits-0hp-butt0n-si-82786ed5", "handle": "gm-mystic-circuits-0hp-butt0n-signal-router-mystic-circuits-0hp-butt0n-si-82786ed5" },{ "title": "Mystic Circuits IDUM eurorack", "url": "https://envoy-music.myshopify.com/products/gm-mystic-circuits-idum-mystic-circuits-idum-eurorack-5b1f19ac", "handle": "gm-mystic-circuits-idum-mystic-circuits-idum-eurorack-5b1f19ac" }]}
}