{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "HAZELRIGG INDUSTRIES VLC Preamp\/EQ\/DI — Preamp \/ DI",
    "brand": "HAZELRIGG INDUSTRIES",
    "model": "VLC",
    "mpn": null,
    "gtins": null,
    "handle": "ca-hazelrigg-industries-vlc-preamp-eq-di-c9b852e580",
    "url": "https://envoy-music.myshopify.com/products/ca-hazelrigg-industries-vlc-preamp-eq-di-c9b852e580",
    "catalog_product_id": "catalog:72531c018f5e",
    "lane": "studio",
    "product_object": "tube microphone preamp"
  },
  "offer": {
    "price": 5415.0,
    "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":"All-tube microphone preamp, DI and line-level EQ processor","display":"All-tube microphone preamp, DI and line-level EQ processor","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"rack_format","label":"Rack format","value":"2U 19-inch rackmount based on 3.5 in height","display":"2U 19-inch rackmount based on 3.5 in height","source":"Perfect Circuit dimensions","confidence":0.7},{"key":"origin","label":"Origin","value":"Handcrafted in the USA","display":"Handcrafted in the USA","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"design_basis","label":"Design basis","value":"Uses D.W. Fearn VT-series preamp and power-supply design","display":"Uses D.W. Fearn VT-series preamp and power-supply design","source":"Hazelrigg Industries VLC product page","confidence":0.9}]},{"id":"signal_path_and_i_o","label":"Signal Path and I\/O","fields":[{"key":"signal_path","label":"Signal path","value":"All-tube signal path","display":"All-tube signal path","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"transformers","label":"Transformers","value":"Transformer-coupled input and output","display":"Transformer-coupled input and output","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"inputs","label":"Inputs","value":"Front microphone\/instrument input, rear redundant microphone input and rear balanced line input","display":"Front microphone\/instrument input, rear redundant microphone input and rear balanced line input","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"input_selector","label":"Input selector","value":"Front-panel selector for low cut, mic, line or instrument","display":"Front-panel selector for low cut, mic, line or instrument","source":"Hazelrigg Industries VLC product page and Perfect Circuit listing","confidence":0.9}]},{"id":"controls_and_eq","label":"Controls and EQ","fields":[{"key":"phantom_power","label":"Phantom power","value":"Locking +48 V safety switch","display":"Locking +48 V safety switch","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"pad","label":"Pad","value":"-20 dB pad","display":"-20 dB pad","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"polarity","label":"Polarity","value":"Polarity reversal switch","display":"Polarity reversal switch","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"eq","label":"Eq","value":"Passive 4-way LC equalizer with custom-wound inductor","display":"Passive 4-way LC equalizer with custom-wound inductor","source":"Hazelrigg Industries VLC product page","confidence":0.9},{"key":"eq_controls","label":"Eq controls","value":"Low Cut, Low Boost, High Cut and High Boost, each with two-way frequency selector; EQ bypass switch","display":"Low Cut, Low Boost, High Cut and High Boost, each with two-way frequency selector; EQ bypass switch","source":"Hazelrigg Industries VLC product page","confidence":0.9}]},{"id":"performance","label":"Performance","fields":[{"key":"gain","label":"Gain","value":"Minimum 55 dB","display":"Minimum 55 dB","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7},{"key":"input_impedance","label":"Input impedance","value":"1.5 kOhm; input load impedance 150 ohms","display":"1.5 kOhm; input load impedance 150 ohms","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7},{"key":"instrument_input_impedance","label":"Instrument input impedance","value":"1 MOhm","display":"1 MOhm","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7},{"key":"thd_noise","label":"Thd noise","value":"\u003c0.32% from 20 cps to 20 kc","display":"\u003c0.32% from 20 cps to 20 kc","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7},{"key":"snr","label":"Snr","value":"72 dB","display":"72 dB","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7},{"key":"max_output_level","label":"Max output level","value":"+22 dBm unterminated","display":"+22 dBm unterminated","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7},{"key":"power","label":"Power","value":"120 or 220 V AC; standard IEC connection","display":"120 or 220 V AC; standard IEC connection","source":"Perfect Circuit Hazelrigg Industries VLC listing","confidence":0.7}]}]},
  "connectivity": null,
  "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 needing one tube channel that can handle microphone, instrument DI and line-level processing with passive LC EQ in the same unit.",
    "who_should_skip": "Users needing stereo operation in one chassis, fully parametric EQ, digital recall, converter I\/O, or a compact solid-state preamp.",
    "fit_notes": "Useful as a front-end channel or as a line insert for re-processing; confirm mains voltage and rack depth before installation.",
    "watchouts": "Manufacturer page confirms topology and features, while numeric performance, dimensions and weight are from a retailer listing. GTIN was not found.",
    "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": "VLC Preamp\/EQ\/DI is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5415.00 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": "HAZELRIGG INDUSTRIES VLC. visible colors: gray, black, red, silver. visible controls: rotary knob, toggle switch, push button. panel text: GAIN; MIC; LINE; INST; VLC; +48; -20; POL; EQ IN; LOW CUT; LOW BOOST; HIGH BOOST.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","VLC Preamp\/EQ\/DI","HAZELRIGG INDUSTRIES","Tube Mic Preamp","verified retail listing","recording and studio product","home recording","content creation","signal chain"],
    "use_cases": ["studio-recording","home-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.hazelriggindustries.com\/vlc","method":"gear_universe_read_model","fetched":"2026-07-21"}}
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:studio","verified retail listing_reference"]
}
}