{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Grundig GDM 121 Mikrofon (1958-1960), Defekt",
    "brand": "Grundig",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-grundig-gdm-121-grundig-gdm-121-mikrofon-1958-1960-defekt-e05e6187",
    "url": "https://envoy-music.myshopify.com/products/gm-grundig-gdm-121-grundig-gdm-121-mikrofon-1958-1960-defekt-e05e6187",
    "catalog_product_id": "product_7883ed7fe05e6187",
    "lane": "studio",
    "product_object": "microphones"
  },
  "offer": {
    "price": 33.0,
    "currency": "CAD",
    "available": true,
    "condition": "Non Functioning",
    "price_band": "entry",
    "source_verified_at": null
  },
  "specifications": {"category":"Pro Audio","subcategory":"Microphones","category_path":"Pro Audio \/ Microphones"},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["appropriate cables","monitoring solution","mount or stand if relevant"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to beginners or budget-constrained shoppers building a first usable rig.\n\nWho it is for: Players building a first pro audio setup with limited budget and a need for obvious, low-friction value.\n\nWho should skip it: Skip it if you need advanced feature depth, tour-grade reliability, or a fully pro-ready setup out of the gate.",
    "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": "Grundig GDM 121 Mikrofon (1958-1960), Defekt. Grundig. GDM 121. Pro Audio. Pro Audio \/ Microphones Pro Audio \/ Recording. available from reverb. price range 24.09 USD. condition Non Functioning. Vintage Grundig Mikrofon “GDM 121”, hergestellt zwischen 1958 und 1960. Eng verwandt mit dem Sennheiser MD21. Das Mikrofon ist ziemlich defekt: Loses Innenleben, abgerissenes Kabel, nicht testbar (siehe Bilder). Es sind aber noch alles die Originalteile. Falls es nicht mehr zu retten ist, kann es ja vielleicht noch als Ersatzteil dienen.. Grundig GDM 121 Mikrofon (1958-1960), Defekt. Grundig. GDM 121. Gold. Non Functioning. Pro Audio. Pro Audio \/ Microphones Pro Audio \/ Recording. Vintage Grundig Mikrofon “GDM 121”, hergestellt zwischen 1958 und 1960. Eng verwandt mit dem Sennheiser MD21. Das Mikrofon ist ziemlich defekt: Loses Innenleben, abgerissenes Kabel, nicht testbar (siehe Bilder). Es sind aber noch alles die Originalteile. Falls es nicht mehr zu retten ist, kann es ja vielleicht noch als Ersatzteil dienen.. Kleffmann's Gear Locker. Tübingen, Germany. tags source:reverb family:pro_audio listing_status:live brand:grundig model:gdm_121 category:pro_audio_microphones category:pro_audio_recording price_band:entry segment:beginner condition:non_functioning has:photos",
    "agent_summary": "Grundig GDM 121 is a beginner-friendly pro audio listing with marketplace-sourced data. Grundig GDM 121 Mikrofon (1958-1960), Defekt currently sits around 24.09 USD. Vintage Grundig Mikrofon “GDM 121”, hergestellt zwischen 1958 und 1960. 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": ["Grundig GDM 121 Mikrofon (1958-1960)","Defekt","Grundig","GDM 121","Pro Audio","Pro Audio \/ Microphones","Pro Audio \/ Recording","brand:grundig","category:pro_audio_microphones","category:pro_audio_recording","condition:non_functioning","family:pro_audio","has:photos","listing_status:live","model:gdm_121","price_band:entry","segment:beginner","source:reverb","brand grundig","category pro audio microphones","category pro audio recording","condition non functioning","family pro audio","has photos","listing status live","model gdm 121","price band entry","segment beginner","source reverb","home-recording","content-creation","practice","starter-rig","live-performance","tone-shaping","signal-chain","Best suited to beginners or budget-constrained shoppers building a first usable rig.","Players building a first pro audio setup with limited budget and a need for obvious","low-friction value."],
    "use_cases": ["collection","repair-build"],
    "skill_level": null
  },
  "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": null
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","family:Pro Audio","marketplace_only","identity_confidence:0.9"]
}
}