{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Roland TR-707 Vintage Drum Machine",
    "brand": "Roland",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-roland-tr-707-rhythm-composer-roland-tr-707-vintage-drum-machine-9eb5dc48",
    "url": "https://envoy-music.myshopify.com/products/gm-roland-tr-707-rhythm-composer-roland-tr-707-vintage-drum-machine-9eb5dc48",
    "catalog_product_id": "product_bd19fdf09eb5dc48",
    "lane": "production",
    "product_object": "drum machines"
  },
  "offer": {
    "price": 683.63,
    "currency": "CAD",
    "available": true,
    "condition": "Fair",
    "price_band": "mid",
    "source_verified_at": null
  },
  "specifications": {"category":"Keyboards and Synths","subcategory":"Drum Machines","category_path":"Keyboards and Synths \/ Drum Machines"},
  "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": "Best suited to beginners or budget-constrained shoppers building a first usable rig.\n\nWho it is for: Players building a first keyboards and synths 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": "Roland TR-707 Vintage Drum Machine. Roland. TR-707 Rhythm Composer. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. available from reverb. price range 499-776.92 USD. condition Good. The Roland TR-707 delivers the punchy, unmistakable digital drum sounds that defined late-’80s and early house, techno, and pop records. With its classic step sequencer, rock-solid timing, and instantly recognizable character, it’s a studio staple that brings authentic vintage groove to any setup. Good condition with new aftermarket power adapter. Some scratches, see photos. Display is easy to read at an angle, but not so easy to read looking straight on.Battery compartment door tabs are broken. Pricing on this platform reflects the marketplace fees. Local pickup is available and encouraged. If being shipped, the instrument will be packed well and insured for the full purchase price, but this is a vintage electronic item, so all sales will be as-is and final.. Roland TR-707 Vintage Drum Machine. Roland. TR-707 Rhythm Composer. White. Good. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. The Roland TR-707 delivers the punchy, unmistakable digital drum sounds that defined late-’80s and early house, techno, and pop records. With its classic step sequencer, rock-solid timing, and instantly recognizable character, it’s a studio staple that brings authentic vintage groove to any setup. Good condition with new aftermarket power adapter. Some scratches, see photos. Display is easy to read at an angle, but not so easy to read looking straight on.Battery compartment door tabs are broken. Pricing on this platform reflects the marketplace fees. Local pickup is available and encouraged. If being shipped, the instrument will be packed well and insured for the full purchase price, but this is a vintage electronic item, so all sales will be as-is and final.. Synthchaser. San Diego, CA, United States. tags source:reverb family:keyboards_and_synths listing_status:live brand:roland model:tr_707_rhythm_composer category:keyboards_and_synths_drum_machines price_band:entry segment:beginner condition:good has:photos",
    "agent_summary": "Roland TR-707 Rhythm Composer is a beginner-friendly keyboards and synths listing with marketplace-sourced data. Roland TR-707 Vintage Drum Machine currently sits around 499 USD. The Roland TR-707 delivers the punchy, unmistakable digital drum sounds that defined late-’80s and early house, techno, and pop records. 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": ["Roland TR-707 Vintage Drum Machine","Roland","TR-707 Rhythm Composer","Keyboards and Synths","Keyboards and Synths \/ Drum Machines","brand:roland","category:keyboards_and_synths_drum_machines","condition:fair","condition:good","condition:very_good","family:keyboards_and_synths","has:photos","has:videos","listing_status:live","model:tr_707_rhythm_composer","price_band:entry","price_band:mid","segment:beginner","source:reverb","brand roland","category keyboards and synths drum machines","condition fair","condition good","condition very good","family keyboards and synths","has photos","has videos","listing status live","model tr 707 rhythm composer","price band entry","price band mid","segment beginner","source reverb","home-recording","content-creation","practice","starter-rig","live-performance","tone-shaping","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": null,
    "skill_level": null
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 3,
    "source_tier_mix": ["marketplace"],
    "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":3},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": ["product_546ff022d566c139","product_acaeed23a8485768","product_8deff9876ead26c4","product_30e6446afb3e181e","product_655f55aa1863a450","product_4d2d3b748b709236","product_bd9f8313e86779b7","product_ad933076c79b122a"],
    "comparison_reasons": ["source_count:3","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"]
,
    "related_products": [{ "title": "Roland TR-505 Rhythm Composer 1980s - White", "url": "https://envoy-music.myshopify.com/products/gm-roland-tr-505-rhythm-composer-roland-tr-505-rhythm-composer-1980s-whit-a8485768", "handle": "gm-roland-tr-505-rhythm-composer-roland-tr-505-rhythm-composer-1980s-whit-a8485768" },{ "title": "Roland TR-6S Rhythm Composer", "url": "https://envoy-music.myshopify.com/products/gm-roland-tr-6s-rhythm-composer-roland-tr-6s-rhythm-composer-6ead26c4", "handle": "gm-roland-tr-6s-rhythm-composer-roland-tr-6s-rhythm-composer-6ead26c4" },{ "title": "1977 Roland TR-66 Rhythm Arranger with foot switch- Thumper!", "url": "https://envoy-music.myshopify.com/products/gm-roland-tr-66-rhythm-arranger-1977-roland-tr-66-rhythm-arranger-with-fo-e86779b7", "handle": "gm-roland-tr-66-rhythm-arranger-1977-roland-tr-66-rhythm-arranger-with-fo-e86779b7" }]}
}