{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "GML 8302",
    "brand": "GML",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "ca-gml-8302-04907a8ef9",
    "url": "https://envoy-music.myshopify.com/products/ca-gml-8302-04907a8ef9",
    "catalog_product_id": "catalog:e99a13c23e47",
    "lane": "studio",
    "product_object": "microphone preamplifier"
  },
  "offer": {
    "price": 5350.0,
    "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":"Two-channel microphone preamplifier","display":"Two-channel microphone preamplifier","source":"GML Model 8302 product page","confidence":0.9},{"key":"rack_format","label":"Rack format","value":"1U rackmount","display":"1U rackmount","source":"GML Model 8302 product page and 8300 spec sheet","confidence":0.9},{"key":"power_supply","label":"Power supply","value":"Ships with external GML Model 8355 power supply and 5-pin XLR power cable","display":"Ships with external GML Model 8355 power supply and 5-pin XLR power cable","source":"GML Model 8302 product page","confidence":0.9}]},{"id":"circuit","label":"Circuit","fields":[{"key":"topology","label":"Topology","value":"All-discrete bipolar transistor, completely transformerless","display":"All-discrete bipolar transistor, completely transformerless","source":"GML Model 8302 product page and 8300 spec sheet","confidence":0.9},{"key":"signal_path","label":"Signal path","value":"No FETs, ICs or electrolytic capacitors in the signal path","display":"No FETs, ICs or electrolytic capacitors in the signal path","source":"GML Model 8302 product page","confidence":0.9},{"key":"outputs","label":"Outputs","value":"Direct-coupled outputs with active servo DC correction","display":"Direct-coupled outputs with active servo DC correction","source":"GML Model 8302 product page and 8300 spec sheet","confidence":0.9}]},{"id":"controls","label":"Controls","fields":[{"key":"gain","label":"Gain","value":"10 dB to 65 dB in 5 dB steps","display":"10 dB to 65 dB in 5 dB steps","source":"GML Model 8302 product page and 8300 spec sheet","confidence":0.9},{"key":"phantom_power","label":"Phantom power","value":"Switchable 48 V phantom power, 40 mA available","display":"Switchable 48 V phantom power, 40 mA available","source":"GML 8300 spec sheet","confidence":0.9},{"key":"phase_reverse","label":"Phase reverse","value":"Front-panel phase reverse switches","display":"Front-panel phase reverse switches","source":"GML Model 8302 product page","confidence":0.9},{"key":"clip_indicator","label":"Clip indicator","value":"+24 dBv +\/-0.5 dB clip indicator","display":"+24 dBv +\/-0.5 dB clip indicator","source":"GML 8300 spec sheet","confidence":0.9}]},{"id":"audio_specifications","label":"Audio Specifications","fields":[{"key":"input","label":"Input","value":"1 kOhm balanced XLR; 80 dB CMRR at 100 Hz and 10 kHz","display":"1 kOhm balanced XLR; 80 dB CMRR at 100 Hz and 10 kHz","source":"GML 8300 spec sheet","confidence":0.9},{"key":"maximum_input","label":"Maximum input","value":"+12.4 dBv before clipping at minimum gain","display":"+12.4 dBv before clipping at minimum gain","source":"GML 8300 spec sheet","confidence":0.9},{"key":"maximum_output","label":"Maximum output","value":"+27.4 dBv clipping, unbalanced XLR pin 2 hot","display":"+27.4 dBv clipping, unbalanced XLR pin 2 hot","source":"GML 8300 spec sheet","confidence":0.9},{"key":"distortion","label":"Distortion","value":"Maximum SMPTE IMD 0.0015% at 30 dB gain \/ 0.007% at 70 dB gain at +20 dBv output","display":"Maximum SMPTE IMD 0.0015% at 30 dB gain \/ 0.007% at 70 dB gain at +20 dBv output","source":"GML 8300 spec sheet","confidence":0.9},{"key":"frequency_response","label":"Frequency response","value":"+0\/-0.2 dB at 10 Hz and 50 kHz; +0\/-0.3 dB at 1.7 Hz and 260 kHz","display":"+0\/-0.2 dB at 10 Hz and 50 kHz; +0\/-0.3 dB at 1.7 Hz and 260 kHz","source":"GML 8300 spec 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": "Engineers seeking a two-channel transparent solid-state mic preamp with stepped gain, transformerless topology and external linear power supply workflow.",
    "who_should_skip": "Users wanting transformer coloration, tube saturation, onboard EQ\/compression, digital conversion, or a compact desktop preamp.",
    "fit_notes": "The 8302 can be upgraded to four channels later, but Series I and Series II units are not crossgrade compatible according to GML.",
    "watchouts": "Accessible manufacturer data did not expose GTIN or product weight; the rack unit requires the external 8355 power supply.",
    "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": "8302 is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5350.00 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": "GML 8302. CM. visible colors: black, silver. visible controls: knobs. panel text: GAIN dB; CM; TRANSFORMERLESS MICROPHONE PREAMPLIFIER.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","8302","GML","Dual Mic-Preamps","verified retail listing","recording and studio product","home recording","content creation","signal chain"],
    "use_cases": ["studio-recording"],
    "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.massenburg.com\/model-8302\/","method":"gear_universe_read_model","fetched":"2026-07-21"}}
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:studio","verified retail listing_reference"]
}
}