{
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  "identity": {
    "title": "Moog The Ladder 500 Series Filter Module 2010s - Black",
    "brand": "Moog",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-moog-the-ladder-500-series-filter-module-moog-the-ladder-500-series-fi-c9df825d",
    "url": "https://envoy-music.myshopify.com/products/gm-moog-the-ladder-500-series-filter-module-moog-the-ladder-500-series-fi-c9df825d",
    "catalog_product_id": "product_d282c0dec9df825d",
    "lane": "studio",
    "product_object": "equalizers"
  },
  "offer": {
    "price": 1370.0,
    "currency": "CAD",
    "available": true,
    "condition": "Very Good",
    "price_band": "high",
    "source_verified_at": null
  },
  "specifications": {"type":"json","groups":[{"id":"filter","label":"Filter","fields":[{"key":"filter_type","label":"Filter Type","value":"Selectable high-pass or low-pass, based on Moog Dynamic Transistor Ladder Filter","source":"https:\/\/soniccircus.com\/product\/moog-ladder-filter-500-series-used\/","confidence":0.95},{"key":"slope","label":"Filter Slope","value":"Selectable 2-pole (12 dB\/oct) or 4-pole (24 dB\/oct)","source":"https:\/\/soniccircus.com\/product\/moog-ladder-filter-500-series-used\/","confidence":0.95},{"key":"resonance","label":"Resonance","value":"Adjustable, can be driven into self-oscillation","source":"https:\/\/soniccircus.com\/product\/moog-ladder-filter-500-series-used\/","confidence":0.9}]},{"id":"envelope","label":"Envelope Follower","fields":[{"key":"envelope_follower","label":"Envelope Follower","value":"Built-in with variable attack and release times","source":"https:\/\/tapeop.com\/reviews\/gear\/90\/the-ladder-500-series-filter","confidence":0.95},{"key":"amount","label":"Envelope Amount","value":"Bipolar (positive\/negative) amount control for modulating cutoff","source":"https:\/\/tapeop.com\/reviews\/gear\/90\/the-ladder-500-series-filter","confidence":0.95}]},{"id":"io","label":"I\/O \u0026 Format","fields":[{"key":"format","label":"Format","value":"500-series module","source":"https:\/\/reverb.com\/p\/moog-ladder","confidence":0.97},{"key":"bypass","label":"Bypass","value":"Hard-wired true bypass","source":"https:\/\/soniccircus.com\/product\/moog-ladder-filter-500-series-used\/","confidence":0.9},{"key":"io_type","label":"I\/O Type","value":"Balanced line-level I\/O","source":"https:\/\/tapeop.com\/reviews\/gear\/90\/the-ladder-500-series-filter","confidence":0.9}]}]},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["appropriate cables","monitoring solution","mount or stand if relevant"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": "Anyone without a 500 Series rack — this module requires a compatible chassis.",
    "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": "Moog The Ladder 500 Series Filter Module 2010s - Black. Moog. The Ladder 500 Series Filter Module. Pro Audio. Pro Audio \/ Outboard Gear \/ Equalizers Pro Audio \/ 500 Series. available from reverb. price range 1000 USD. condition Very Good. Moog Ladder Filter. If you’re looking, you’re already know what this is. Moog, as good as it gets.. Moog The Ladder 500 Series Filter Module 2010s - Black. Moog. The Ladder 500 Series Filter Module. Black. Very Good. Pro Audio. Pro Audio \/ Outboard Gear \/ Equalizers Pro Audio \/ 500 Series. Moog Ladder Filter. If you’re looking, you’re already know what this is. Moog, as good as it gets.. Mark's Shop. League City, TX, United States. tags source:reverb family:pro_audio listing_status:live brand:moog model:the_ladder_500_series_filter_module category:pro_audio_outboard_gear_equalizers category:pro_audio_500_series price_band:mid segment:intermediate condition:very_good has:photos",
    "agent_summary": "Moog The Ladder 500 Series Filter Module is a aimed at intermediate players pro audio listing with marketplace-sourced data. Moog The Ladder 500 Series Filter Module 2010s - Black currently sits around 1000 USD. Moog Ladder Filter. Marketplace data is richer on listing context, but it needs more buyer verification. Positioned as a realistic step-up option for players leaving starter gear. Marketplace listing quality varies by seller, so condition and included items still need verification.",
    "intent_terms": ["Moog The Ladder 500 Series Filter Module 2010s - Black","Moog","The Ladder 500 Series Filter Module","Pro Audio","Pro Audio \/ Outboard Gear \/ Equalizers","Pro Audio \/ 500 Series","brand:moog","category:pro_audio_500_series","category:pro_audio_outboard_gear_equalizers","condition:very_good","family:pro_audio","has:photos","listing_status:live","model:the_ladder_500_series_filter_module","price_band:mid","segment:intermediate","source:reverb","brand moog","category pro audio 500 series","category pro audio outboard gear equalizers","condition very good","family pro audio","has photos","listing status live","model the ladder 500 series filter module","price band mid","segment intermediate","source reverb","live-performance","tone-shaping","signal-chain","Mark's Shop","Best suited to players who have outgrown their first setup and need a meaningful step up.","Shoppers who already understand the role of this pro audio and want a more deliberate purchase."],
    "use_cases": ["studio-recording","modular-synthesis","sound-design"],
    "skill_level": "pro"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "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:\/\/soniccircus.com\/product\/moog-ladder-filter-500-series-used\/","method":"gear_universe_read_model","fetched":"2026-07-30"}}
  },
  "related": {
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