{ "schema_version": 1, "projection": "envoy-agent-v1", "identity": { "title": "Alesis SR-18 2010s - Black", "brand": "Alesis", "model": null, "mpn": null, "gtins": null, "handle": "gm-alesis-sr-18-alesis-sr-18-2010s-black-8a1bb857", "url": "https://envoy-music.myshopify.com/products/gm-alesis-sr-18-alesis-sr-18-2010s-black-8a1bb857", "catalog_product_id": "product_a71ca9888a1bb857", "lane": "production", "product_object": "drum machines" }, "offer": { "price": 205.5, "currency": "CAD", "available": true, "condition": "Excellent", "price_band": "mid", "source_verified_at": null }, "specifications": {"type":"json","groups":[{"name":"Product facts","fields":[{"label":"Sound set","value":"32MB, multi-sampled","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Polyphony","value":"32 voices","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Inputs","value":"1\/4\" instrument (guitar)","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Outputs","value":"1\/4\" stereo pair, 1\/4\" TRS, 1\/4\" TRS stereo headphone","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"MIDI","value":"in, out\/thru","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"MIDI synchronization capability","value":"SR-18 is switched to ClockIN","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Footswitch","value":"two inputs – start\/stop","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Features","value":"Backlit LCD","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Pads","value":"12 pads","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Country of origin","value":"Taiwan","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"}]},{"name":"Format and size","fields":[{"label":"Dimensions (W×H×D)","value":"9.6\" × 1.9\" × 7.5\"","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Weight","value":"1.1 lbs","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"},{"label":"Format","value":"Eurorack","source":"https:\/\/envoy-music.myshopify.com\/products\/gm-alesis-sr-18-alesis-sr-18-2010s-black-8a1bb857"}]},{"name":"Power","fields":[{"label":"Power","value":"AC and Battery Power capability (6 AA's - not included with product) and AC Adapter","source":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/"}]}]}, "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": "Alesis SR-18 2010s - Black. Alesis. SR-18. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. available from reverb. price range 110-165.85 USD. condition Very Good. Works great, has adapter. I got a 909 that I like better so I find myself using it less and less. Open to offers.. Alesis SR-18 2010s - Black. Alesis. SR-18. Black. Very Good. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. Works great, has adapter. I got a 909 that I like better so I find myself using it less and less. Open to offers.. Gear Outlet. New Albany, IN, United States. tags source:reverb family:keyboards_and_synths listing_status:live brand:alesis model:sr_18 category:keyboards_and_synths_drum_machines price_band:entry segment:beginner condition:very_good has:photos", "agent_summary": "Alesis SR-18 is a beginner-friendly keyboards and synths listing with marketplace-sourced data. Alesis SR-18 2010s - Black currently sits around 150 USD. This is an Alesis SR18 drum machine. 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": ["Alesis SR-18 2010s - Black","Alesis","SR-18","Keyboards and Synths","Keyboards and Synths \/ Drum Machines","brand:alesis","category:keyboards_and_synths_drum_machines","condition:excellent","condition:good","condition:very_good","family:keyboards_and_synths","has:photos","listing_status:live","model:sr_18","price_band:entry","segment:beginner","source:reverb","brand alesis","category keyboards and synths drum machines","condition excellent","condition good","condition very good","family keyboards and synths","has photos","listing status live","model sr 18","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","Bobby’s Bass Basement","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","home-recording"], "skill_level": "beginner" }, "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": {"specifications":{"source_url":"https:\/\/vintagetechnologyarchive.com\/synth\/alesis\/sr-18\/","method":"gear_universe_read_model","fetched":"2026-07-30"}} }, "related": { "similar_item_ids": ["product_48efb390642437e1","product_850143d92f784c3a","product_87e6403cc7724714","product_84374b492c79b52d","product_0f8c7a8b7a6f337b"], "comparison_reasons": ["source_count:3","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"] , "related_products": [{ "title": "Alesis SR-16 Drum Machine 2010s - Black", "url": "https://envoy-music.myshopify.com/products/gm-alesis-sr-16-drum-machine-alesis-sr-16-drum-machine-2010s-black-642437e1", "handle": "gm-alesis-sr-16-drum-machine-alesis-sr-16-drum-machine-2010s-black-642437e1" },{ "title": "Alesis HR-16:B 1980s - Black", "url": "https://envoy-music.myshopify.com/products/gm-alesis-hr-16-b-alesis-hr-16-b-1980s-black-2f784c3a", "handle": "gm-alesis-hr-16-b-alesis-hr-16-b-1980s-black-2f784c3a" },{ "title": "Alesis HR-16 High Sample Rate 16-Bit Drum Machine 1980s - Gray", "url": "https://envoy-music.myshopify.com/products/gm-alesis-hr-16-read-description-alesis-hr-16-high-sample-rate-16-bit-dru-c7724714", "handle": "gm-alesis-hr-16-read-description-alesis-hr-16-high-sample-rate-16-bit-dru-c7724714" },{ "title": "Alesis HR-16 High Sample Rate 16-Bit Drum Machine 1980s - Gray", "url": "https://envoy-music.myshopify.com/products/gm-alesis-hr-16-high-sample-rate-16-bit-drum-machine-alesis-hr-16-high-sa-2c79b52d", "handle": "gm-alesis-hr-16-high-sample-rate-16-bit-drum-machine-alesis-hr-16-high-sa-2c79b52d" },{ "title": "Alesis Q-Card Classical Instruments Plus 1996", "url": "https://envoy-music.myshopify.com/products/gm-alesis-q-card-classical-instruments-plus-alesis-q-card-classical-instr-7a6f337b", "handle": "gm-alesis-q-card-classical-instruments-plus-alesis-q-card-classical-instr-7a6f337b" }]} }