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    "title": "Teenage Engineering EP-40 Riddim Supertone 2025 - Present - Grey",
    "brand": "Teenage Engineering",
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    "mpn": null,
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    "handle": "gm-teenage-engineering-ep-40-riddim-supertone-teenage-engineering-ep-40-r-fec8fbfe",
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    "lane": "production",
    "product_object": "sequencers"
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  "offer": {
    "price": 383.6,
    "currency": "CAD",
    "available": true,
    "condition": "Excellent",
    "price_band": "mid",
    "source_verified_at": null
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  "connectivity": null,
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  "required_accessories": ["keyboard stand","sustain pedal","headphones or amp"],
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  "compatibility": null,
  "advisor": {
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    "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": "Teenage Engineering EP-40 Riddim Supertone 2025 - Present - Grey. Teenage Engineering. EP-40 Riddim Supertone. Keyboards and Synths. Keyboards and Synths \/ Sequencers Keyboards and Synths \/ Samplers. available from reverb. price range 280 USD. condition Excellent. This is an open-box. Only used it to test but did not like how it works.. Teenage Engineering EP-40 Riddim Supertone 2025 - Present - Grey. Teenage Engineering. EP-40 Riddim Supertone. Grey. Excellent. Keyboards and Synths. Keyboards and Synths \/ Sequencers Keyboards and Synths \/ Samplers. This is an open-box. Only used it to test but did not like how it works.. Silvio's Gear Depot. Somerville, MA, United States. tags source:reverb family:keyboards_and_synths listing_status:live brand:teenage_engineering model:ep_40_riddim_supertone category:keyboards_and_synths_sequencers category:keyboards_and_synths_samplers price_band:entry segment:beginner condition:excellent has:photos",
    "agent_summary": "Teenage Engineering EP-40 Riddim Supertone is a beginner-friendly keyboards and synths listing with marketplace-sourced data. Teenage Engineering EP-40 Riddim Supertone 2025 - Present - Grey currently sits around 280 USD. This is an open-box. Marketplace data is richer on listing context, but it needs more buyer verification. Entry-level price positioning makes it accessible for new players. Marketplace listing quality varies by seller, so condition and included items still need verification.",
    "intent_terms": ["Teenage Engineering EP-40 Riddim Supertone 2025 - Present - Grey","Teenage Engineering","EP-40 Riddim Supertone","Keyboards and Synths","Keyboards and Synths \/ Sequencers","Keyboards and Synths \/ Samplers","brand:teenage_engineering","category:keyboards_and_synths_samplers","category:keyboards_and_synths_sequencers","condition:excellent","family:keyboards_and_synths","has:photos","listing_status:live","model:ep_40_riddim_supertone","price_band:entry","segment:beginner","source:reverb","brand teenage engineering","category keyboards and synths samplers","category keyboards and synths sequencers","condition excellent","family keyboards and synths","has photos","listing status live","model ep 40 riddim supertone","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","Silvio's Gear Depot","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": ["practice","sound-design","home-recording"],
    "skill_level": "beginner"
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    "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:\/\/teenage.engineering\/products\/ep-40","method":"gear_universe_read_model","fetched":"2026-07-30"}}
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  "related": {
    "similar_item_ids": ["product_9c034a3a3d935306","product_1a936557588dd128","product_56ca221649051fcd","product_7f5b4ba01dadb996","product_ce4b0cdf1479a71a","product_b8dbc7f83060b8b9","product_68e24d413c50b4c1","product_bb3f4c60a3d70b44"],
    "comparison_reasons": ["source_count:1","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"]
,
    "related_products": [{ "title": "Teenage Engineering EP-133 K.O. II Sampler Composer + Carry Bag + Reference Card", "url": "https://envoy-music.myshopify.com/products/gm-teenage-engineering-ep-133-teenage-engineering-ep-133-k-o-ii-sampler-c-588dd128", "handle": "gm-teenage-engineering-ep-133-teenage-engineering-ep-133-k-o-ii-sampler-c-588dd128" },{ "title": "Teenage Engineering EP-1320 Medieval Sampler Composer", "url": "https://envoy-music.myshopify.com/products/gm-teenage-engineering-ep-1320-medieval-sampler-composer-teenage-engineer-1dadb996", "handle": "gm-teenage-engineering-ep-1320-medieval-sampler-composer-teenage-engineer-1dadb996" },{ "title": "Teenage Engineering OP-1 Replacement Battery", "url": "https://envoy-music.myshopify.com/products/gm-teenage-engineering-op-1-portable-synthesizer-workstation-teenage-engi-3060b8b9", "handle": "gm-teenage-engineering-op-1-portable-synthesizer-workstation-teenage-engi-3060b8b9" },{ "title": "Teenage Engineering OP-1 Orange Knob Encoder Cap Replacement", "url": "https://envoy-music.myshopify.com/products/gm-teenage-engineering-op-1-orange-knob-encoder-cap-replacement-teenage-e-3c50b4c1", "handle": "gm-teenage-engineering-op-1-orange-knob-encoder-cap-replacement-teenage-e-3c50b4c1" },{ "title": "Teenage Engineering OP-1 Green Knob Encoder Cap Replacement", "url": "https://envoy-music.myshopify.com/products/gm-teenage-engineering-op-1-green-knob-encoder-cap-replacement-teenage-en-a3d70b44", "handle": "gm-teenage-engineering-op-1-green-knob-encoder-cap-replacement-teenage-en-a3d70b44" }]}
}