{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "IGS AUDIO Thermidt - Hi-Fi Tube Amplifier — Power Amplifier",
    "brand": "IGS AUDIO",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "ca-igs-audio-thermidt-hi-fi-tube-amplifier-ef137ef11c",
    "url": "https://envoy-music.myshopify.com/products/ca-igs-audio-thermidt-hi-fi-tube-amplifier-ef137ef11c",
    "catalog_product_id": "catalog:a5fde7744d45",
    "lane": "studio",
    "product_object": null
  },
  "offer": {
    "price": 5485.0,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "high",
    "source_verified_at": "2026-07-10T23:56:52Z"
  },
  "specifications": {"category":"parts","subcategory":"parts","category_path":"parts","groups":[{"id":"amplifier_format","label":"Amplifier Format","fields":[{"key":"product_type","label":"Product type","value":"Stereo hi-fi tube amplifier","display":"Stereo hi-fi tube amplifier","source":"IGS Audio Thermidt product page","confidence":0.9},{"key":"output_power","label":"Output power","value":"2 x 21 W","display":"2 x 21 W","source":"IGS Audio Thermidt product page","confidence":0.9},{"key":"speaker_load","label":"Speaker load","value":"4 ohm or 8 ohm speakers","display":"4 ohm or 8 ohm speakers","source":"IGS Audio Thermidt product page","confidence":0.9},{"key":"topology","label":"Topology","value":"Class AB push-pull fixed-bias operation with Negative Cathode Feedback","display":"Class AB push-pull fixed-bias operation with Negative Cathode Feedback","source":"IGS Audio Thermidt product page","confidence":0.9}]},{"id":"tubes_and_construction","label":"Tubes and Construction","fields":[{"key":"tube_complement_spec_table","label":"Tube complement spec table","value":"2x 6P14P-EV, 2x 6F1P, 2x 6N2P-EV (12AX7)","display":"2x 6P14P-EV, 2x 6F1P, 2x 6N2P-EV (12AX7)","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"tube_complement_description","label":"Tube complement description","value":"Descriptive text references four 7189\/6N14P-EV power tubes and two 6BL8 triode-pentodes","display":"Descriptive text references four 7189\/6N14P-EV power tubes and two 6BL8 triode-pentodes","source":"IGS Audio Thermidt product page","confidence":0.7},{"key":"top_plate","label":"Top plate","value":"8 mm CNC-machined top plate","display":"8 mm CNC-machined top plate","source":"IGS Audio Thermidt product page","confidence":0.9},{"key":"output_transformers","label":"Output transformers","value":"Project-specific output transformers using Z11 grain-oriented lamination steel cores","display":"Project-specific output transformers using Z11 grain-oriented lamination steel cores","source":"IGS Audio Thermidt product page","confidence":0.9}]},{"id":"inputs_and_outputs","label":"Inputs and Outputs","fields":[{"key":"analog_inputs","label":"Analog inputs","value":"Three pairs of RCA connectors","display":"Three pairs of RCA connectors","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"input_sensitivity","label":"Input sensitivity","value":"0.775 V RMS","display":"0.775 V RMS","source":"IGS Audio Thermidt product page\/specification table","confidence":0.9},{"key":"bluetooth","label":"Bluetooth","value":"QCC5125 Bluetooth with LDAC, aptX HD, aptX-LL, aptX, SBC and AAC; product text cites built-in DLHiFi 5.1 module","display":"QCC5125 Bluetooth with LDAC, aptX HD, aptX-LL, aptX, SBC and AAC; product text cites built-in DLHiFi 5.1 module","source":"IGS Audio Thermidt product page","confidence":0.7},{"key":"headphone_output","label":"Headphone output","value":"Headphone output for headphones from 16 ohms upward","display":"Headphone output for headphones from 16 ohms upward","source":"IGS Audio Thermidt product page","confidence":0.9}]},{"id":"performance_and_power","label":"Performance and Power","fields":[{"key":"frequency_response","label":"Frequency response","value":"10 Hz to 80 kHz, +\/-1 dB","display":"10 Hz to 80 kHz, +\/-1 dB","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"harmonic_distortion","label":"Harmonic distortion","value":"Max 0.15% at 15 W, 100 Hz","display":"Max 0.15% at 15 W, 100 Hz","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"imd","label":"Imd","value":"Max 0.85% at 15 W, 50 Hz","display":"Max 0.85% at 15 W, 50 Hz","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"snr","label":"Snr","value":"\u003e52 dB","display":"\u003e52 dB","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"tone_control","label":"Tone control","value":"Flat, Bass (+6 dB at 100 Hz) and Loudness modes","display":"Flat, Bass (+6 dB at 100 Hz) and Loudness modes","source":"IGS Audio Thermidt specification table","confidence":0.9},{"key":"power","label":"Power","value":"150 VA consumption; 230\/110 V AC, 50 or 60 Hz","display":"150 VA consumption; 230\/110 V AC, 50 or 60 Hz","source":"IGS Audio Thermidt specification table","confidence":0.9}]}]},
  "connectivity": ["bluetooth"],
  "power": null,
  "included_items": null,
  "required_accessories": ["model-appropriate mounting hardware","installation tools or qualified technician"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": "Hi-fi listeners or small studio users seeking a stereo tube amplifier for passive speakers with RCA sources, Bluetooth input and selectable tone modes.",
    "who_should_skip": "Users needing a professional rack power amp, balanced XLR inputs, high-output PA amplification, phono input, network streaming, or surround amplification.",
    "fit_notes": "Match the amplifier to 4 or 8 ohm passive speakers and account for heat, ventilation and the substantial published weight.",
    "watchouts": "The manufacturer page contains inconsistent tube naming between descriptive text and the spec table; both are preserved rather than normalized. Exact chassis dimensions and GTIN were not found.",
    "verification_questions": ["What exact dimensions, mounting pattern, and model compatibility does this part support?","Is all required mounting hardware included?","Does installation require routing, drilling, soldering, or other irreversible work?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "Thermidt - Hi-Fi Tube Amplifier is a repair, replacement, or custom-build part represented by 1 current Canadian retailer offer, starting at 5485.00 CAD. Best suited to a repair or custom-build project with known dimensions and compatibility requirements. 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 if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "agent_summary": "IGS. visible colors: silver, black, red, blue. visible controls: three rotary knobs, one push button. panel text: UTM INDUSTRY CUSTOM TRANSFORMER UTM7077; PHONES; CD; TV; AUX; VOLUME; FLAT; BASS; LOUDNESS; POWER; IGS.",
    "intent_terms": ["parts","repair","custom_build","upgrade","Thermidt - Hi-Fi Tube Amplifier","IGS AUDIO","Amplifiers","verified retail listing","repair, replacement, or custom-build part","custom build"],
    "use_cases": null,
    "skill_level": null
  },
  "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:\/\/igsaudio.com\/thermidt-hi-fi-tube-amplifier\/","method":"gear_universe_read_model","fetched":"2026-07-21"}}
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:parts","verified retail listing_reference"]
}
}