{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "MICROTECH GEFELL UM92.1S — Microphone",
    "brand": "MICROTECH GEFELL",
    "model": "UM92.1S",
    "mpn": null,
    "gtins": null,
    "handle": "ca-microtech-gefell-um92-1s-65f9e78308",
    "url": "https://envoy-music.myshopify.com/products/ca-microtech-gefell-um92-1s-65f9e78308",
    "catalog_product_id": "catalog:bd795bf9714f",
    "lane": "studio",
    "product_object": "tube condenser microphone"
  },
  "offer": {
    "price": 5085.0,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "high",
    "source_verified_at": "2026-07-10T23:56:52Z"
  },
  "specifications": {"category":"studio","subcategory":"studio","category_path":"studio","groups":[{"id":"format","label":"Format","fields":[{"key":"product_type","label":"Product type","value":"Tube condenser microphone with switchable polar pattern","display":"Tube condenser microphone with switchable polar pattern","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"orientation","label":"Orientation","value":"Side-address; maximum sensitivity perpendicular to microphone axis","display":"Side-address; maximum sensitivity perpendicular to microphone axis","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"polar_patterns","label":"Polar patterns","value":"Omni, cardioid and figure-8","display":"Omni, cardioid and figure-8","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9}]},{"id":"capsule_and_circuit","label":"Capsule and Circuit","fields":[{"key":"capsule","label":"Capsule","value":"M 7 capsule with two large-diameter gold-plated plastic diaphragms","display":"M 7 capsule with two large-diameter gold-plated plastic diaphragms","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"operating_principle","label":"Operating principle","value":"Pressure-gradient transducer","display":"Pressure-gradient transducer","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"tube","label":"Tube","value":"EF86","display":"EF86","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"power_supply","label":"Power supply","value":"UN 920.1\/N 920.1 power supply, 115 or 230 V AC, 50\/60 Hz","display":"UN 920.1\/N 920.1 power supply, 115 or 230 V AC, 50\/60 Hz","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9}]},{"id":"audio_performance","label":"Audio Performance","fields":[{"key":"frequency_range","label":"Frequency range","value":"40 Hz-18 kHz","display":"40 Hz-18 kHz","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"sensitivity","label":"Sensitivity","value":"15 mV\/Pa at 1 kHz","display":"15 mV\/Pa at 1 kHz","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"rated_impedance","label":"Rated impedance","value":"200 ohms","display":"200 ohms","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"max_spl","label":"Max spl","value":"120 dB for 0.5% THD","display":"120 dB for 0.5% THD","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"dynamic_range","label":"Dynamic range","value":"103 dB","display":"103 dB","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9}]},{"id":"noise","label":"Noise","fields":[{"key":"equivalent_noise_a_weighted","label":"Equivalent noise a weighted","value":"17 dB-A","display":"17 dB-A","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"equivalent_noise_ccir","label":"Equivalent noise ccir","value":"25 dB","display":"25 dB","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"signal_to_noise","label":"Signal to noise","value":"77 dB A-weighted; 69 dB CCIR-weighted","display":"77 dB A-weighted; 69 dB CCIR-weighted","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9}]},{"id":"physical_and_included_items","label":"Physical and Included Items","fields":[{"key":"connector","label":"Connector","value":"7-pin Tuchel C70\/A at microphone; PSU provides 3-pin XLR audio output","display":"7-pin Tuchel C70\/A at microphone; PSU provides 3-pin XLR audio output","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"dimensions","label":"Dimensions","value":"197 mm x 42 mm","display":"197 mm x 42 mm","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"weight","label":"Weight","value":"430 g","display":"430 g","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9},{"key":"delivery","label":"Delivery","value":"Microphone, power supply, C 92.1 cable, EA 92 suspension, W 92 windscreen and case","display":"Microphone, power supply, C 92.1 cable, EA 92 suspension, W 92 windscreen and case","source":"Microtech Gefell UM 92.1 S data sheet","confidence":0.9}]}]},
  "connectivity": ["xlr"],
  "power": null,
  "included_items": null,
  "required_accessories": ["appropriate audio and data cables","compatible monitoring, mounting, or power setup"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": "Studios needing a multi-pattern tube vocal or solo-instrument microphone with M 7 capsule construction and external pattern control.",
    "who_should_skip": "Users needing phantom-powered simplicity, high-SPL close miking beyond 120 dB, transformerless solid-state response, or compact field use.",
    "fit_notes": "Pattern selection is on the power supply, and the microphone uses a dedicated 7-pin cable rather than standard phantom power directly into the mic.",
    "watchouts": "Input title does not specify finish; manufacturer sheet distinguishes satin nickel and black matt order numbers, while a retailer lists MFR 211138 for a satin-nickel kit. GTIN was not verified.",
    "verification_questions": ["Which connections, drivers, operating systems, and sample rates are supported by this exact revision?","What cables, mounts, power supplies, or licenses are included?","Is the current retailer listing new stock, demo stock, open box, or special order?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "UM92.1S is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5085.00 CAD. Best suited to buyers who can place it within a known recording, monitoring, or signal-routing workflow. EnvoyMusic has verified the source price and availability signal, but has not independently verified every technical specification or US fulfillment detail. This is an verified retail listing reference, not inventory stocked or fulfilled by EnvoyMusic. Retailer price and availability can change; recheck the source before making a purchase decision. Skip it until computer, operating-system, I\/O, cabling, mounting, and room requirements are confirmed.",
    "agent_summary": "MICROTECH GEFELL GMBH UM 92.1S. visible colors: beige, black. panel text: UM 92.1S; MG; MICROTECH GEFELL GMBH; MADE IN GERMANY.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","UM92.1S","MICROTECH GEFELL","Tube Microphones","verified retail listing","recording and studio product","home recording","content creation","signal chain"],
    "use_cases": ["studio-recording","sound-design"],
    "skill_level": "pro"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["retailer"],
    "evidence_flags": {"external_inventory":true,"source_availability":true,"source_price":true,"source_url":true,"structured_specs":false},
    "spec_provenance": {"specifications":{"source_url":"https:\/\/www.microtechgefell.de\/datei\/275\/UM-92.1-S_6w8cu.pdf","method":"gear_universe_read_model","fetched":"2026-07-21"}}
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:studio","verified retail listing_reference"]
}
}