{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Electro-Harmonix Holy Grail Nano Reverb 2009 - Present - Various",
    "brand": "Electro-Harmonix",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-electro-harmonix-holy-grail-nano-reverb-electro-harmonix-holy-grail-na-8017a438",
    "url": "https://envoy-music.myshopify.com/products/gm-electro-harmonix-holy-grail-nano-reverb-electro-harmonix-holy-grail-na-8017a438",
    "catalog_product_id": "product_b83a6d1c8017a438",
    "lane": "pedals",
    "product_object": "reverb"
  },
  "offer": {
    "price": 121.93,
    "currency": "CAD",
    "available": true,
    "condition": "Very Good",
    "price_band": "mid",
    "source_verified_at": null
  },
  "specifications": {"type":"json","groups":[{"name":"Reverb pedal","fields":[{"label":"Circuit","value":"Digital","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Bypass","value":"True Bypass","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Audio","value":"Mono","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Reverb modes","value":"Spring, Hall, and Flerb","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Power supply","value":"9.6VDC-200mA power adapter included","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Current draw","value":"105mA","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Dimensions","value":"4.5 x 2.75 x 2.1 inches","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"},{"label":"Year released","value":"2009","source":"https:\/\/www.ehx.com\/products\/holy-grail\/"}]}]},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["power supply or battery","instrument cables"],
  "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": "Electro-Harmonix Holy Grail Nano Reverb 2009 - Present - Various. Electro-Harmonix. Holy Grail Nano Reverb. Effects and Pedals. Effects and Pedals \/ Reverb. available from reverb. price range 89 USD. condition Very Good. Pedal is used and in very good condition with normal use. Some light scratches but nothing major. Works fine and sounds good. Please see photos for condition. Please ask all questions before hitting the buy button. Payment due within 24 hours. Please check my other items for more parts and other great gear.. Electro-Harmonix Holy Grail Nano Reverb 2009 - Present - Various. Electro-Harmonix. Holy Grail Nano Reverb. Various. Very Good. Effects and Pedals. Effects and Pedals \/ Reverb. Pedal is used and in very good condition with normal use. Some light scratches but nothing major. Works fine and sounds good. Please see photos for condition. Please ask all questions before hitting the buy button. Payment due within 24 hours. Please check my other items for more parts and other great gear.. Spacetone Music. San Antonio, TX, United States. tags source:reverb family:effects_and_pedals listing_status:live brand:electro_harmonix model:holy_grail_nano_reverb category:effects_and_pedals_reverb price_band:entry segment:beginner condition:very_good has:photos has:videos",
    "agent_summary": "Electro-Harmonix Holy Grail Nano Reverb is a beginner-friendly effects and pedals listing with marketplace-sourced data. Electro-Harmonix Holy Grail Nano Reverb 2009 - Present - Various currently sits around 89 USD. Pedal is used and in very good condition with normal use. 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": ["Electro-Harmonix Holy Grail Nano Reverb 2009 - Present - Various","Electro-Harmonix","Holy Grail Nano Reverb","Effects and Pedals","Effects and Pedals \/ Reverb","brand:electro_harmonix","category:effects_and_pedals_reverb","condition:very_good","family:effects_and_pedals","has:photos","has:videos","listing_status:live","model:holy_grail_nano_reverb","price_band:entry","segment:beginner","source:reverb","brand electro harmonix","category effects and pedals reverb","condition very good","family effects and pedals","has photos","has videos","listing status live","model holy grail nano reverb","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","Spacetone Music","Best suited to beginners or budget-constrained shoppers building a first usable rig.","Players building a first effects and pedals setup with limited budget and a need for obvious","low-friction value."],
    "use_cases": ["live-performance","practice","home-recording"],
    "skill_level": "beginner"
  },
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    "source_count": 1,
    "source_tier_mix": ["marketplace"],
    "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":1},
    "spec_provenance": {"specifications":{"source_url":"https:\/\/www.ehx.com\/products\/holy-grail\/","method":"gear_universe_read_model","fetched":"2026-07-30"}}
  },
  "related": {
    "similar_item_ids": ["product_7d4b83478a8b0fcc","product_a7b3f23a91d163c2","product_07ef0fbab20ff353","product_b77eda82161ebae1","product_043541dd6a4922b3","product_00ebd6a6d77ffa82","product_6139b35814dfaa58","product_4df718535a016900"],
    "comparison_reasons": ["source_count:1","family:Effects and Pedals","marketplace_only","identity_confidence:0.9"]
}
}