{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "Counterhoop Vintage Drum Reference API",
  "description": "Measured vintage drum fitment reference: lug hole spacings, tension-rod thread pitches, shell sizes, badge eras, and asking-price ranges across 12665 live + archived specimens (1531 live, 11134 archive; 5964 dual-verified). Based in Big Rapids, Michigan USA since 2004.",
  "url": "https://counterhoop.com/specs/",
  "creator": {
    "@type": "Organization",
    "name": "Counterhoop Vintage Drums",
    "url": "https://counterhoop.com/",
    "sameAs": [
      "https://www.ebay.com/str/counterhoop",
      "https://www.ebay.com/usr/counterhoop",
      "https://reverb.com/shop/counterhoop"
    ]
  },
  "temporalCoverage": "2004/2026-11-12",
  "spatialCoverage": {
    "@type": "Place",
    "name": "Big Rapids, Michigan USA"
  },
  "dateModified": "2026-11-12",
  "numberOfItems": 12665,
  "variableMeasured": [
    "lug hole spacing",
    "tension-rod thread pitch",
    "shell diameter",
    "shell depth",
    "badge era",
    "asking price"
  ],
  "distribution": [
    {
      "@type": "DataDownload",
      "name": "specs-index",
      "contentUrl": "https://counterhoop.com/specs/index.json",
      "encodingFormat": "application/json"
    },
    {
      "@type": "DataDownload",
      "name": "fitment-matrix",
      "contentUrl": "https://counterhoop.com/specs/fitment-matrix.json",
      "encodingFormat": "application/json"
    }
  ],
  "catalog": {
    "live": 1531,
    "archive": 11134,
    "total": 12665,
    "verified": 5964,
    "verified_live": 784,
    "verified_archive": 5180
  },
  "makers": [
    {
      "slug": "radio-king",
      "name": "Slingerland Radio King",
      "url": "https://counterhoop.com/brands/radio-king/",
      "spec": "https://counterhoop.com/specs/makers/radio-king.md",
      "live": 102,
      "archive": 463
    },
    {
      "slug": "wfl",
      "name": "WFL (Ludwig)",
      "url": "https://counterhoop.com/brands/wfl/",
      "spec": "https://counterhoop.com/specs/makers/wfl.md",
      "live": 75,
      "archive": 311
    },
    {
      "slug": "ludwig",
      "name": "Ludwig",
      "url": "https://counterhoop.com/brands/ludwig/",
      "spec": "https://counterhoop.com/specs/makers/ludwig.md",
      "live": 407,
      "archive": 2661
    },
    {
      "slug": "slingerland",
      "name": "Slingerland",
      "url": "https://counterhoop.com/brands/slingerland/",
      "spec": "https://counterhoop.com/specs/makers/slingerland.md",
      "live": 171,
      "archive": 1283
    },
    {
      "slug": "gretsch",
      "name": "Gretsch",
      "url": "https://counterhoop.com/brands/gretsch/",
      "spec": "https://counterhoop.com/specs/makers/gretsch.md",
      "live": 148,
      "archive": 713
    },
    {
      "slug": "rogers",
      "name": "Rogers",
      "url": "https://counterhoop.com/brands/rogers/",
      "spec": "https://counterhoop.com/specs/makers/rogers.md",
      "live": 74,
      "archive": 841
    },
    {
      "slug": "leedy",
      "name": "Leedy",
      "url": "https://counterhoop.com/brands/leedy/",
      "spec": "https://counterhoop.com/specs/makers/leedy.md",
      "live": 146,
      "archive": 516
    },
    {
      "slug": "camco",
      "name": "Camco",
      "url": "https://counterhoop.com/brands/camco/",
      "spec": "https://counterhoop.com/specs/makers/camco.md",
      "live": 6,
      "archive": 42
    },
    {
      "slug": "premier",
      "name": "Premier",
      "url": "https://counterhoop.com/brands/premier/",
      "spec": "https://counterhoop.com/specs/makers/premier.md",
      "live": 73,
      "archive": 448
    },
    {
      "slug": "sonor",
      "name": "Sonor",
      "url": "https://counterhoop.com/brands/sonor/",
      "spec": "https://counterhoop.com/specs/makers/sonor.md",
      "live": 9,
      "archive": 127
    },
    {
      "slug": "zildjian",
      "name": "Zildjian",
      "url": "https://counterhoop.com/brands/zildjian/",
      "spec": "https://counterhoop.com/specs/makers/zildjian.md",
      "live": 4,
      "archive": 230
    },
    {
      "slug": "paiste",
      "name": "Paiste",
      "url": "https://counterhoop.com/brands/paiste/",
      "spec": "https://counterhoop.com/specs/makers/paiste.md",
      "live": 1,
      "archive": 21
    }
  ],
  "parts": [
    {
      "slug": "vintage-drum-sets",
      "label": "Vintage Drum Sets",
      "url": "https://counterhoop.com/vintage-drum-sets/",
      "spec": "https://counterhoop.com/specs/parts/vintage-drum-sets.md",
      "live": 5,
      "archive": 68
    },
    {
      "slug": "used-drum-sets",
      "label": "Used Drum Sets",
      "url": "https://counterhoop.com/used-drum-sets/",
      "spec": "https://counterhoop.com/specs/parts/used-drum-sets.md",
      "live": 5,
      "archive": 68
    },
    {
      "slug": "vintage-snare-drums",
      "label": "Vintage Snare Drums",
      "url": "https://counterhoop.com/vintage-snare-drums/",
      "spec": "https://counterhoop.com/specs/parts/vintage-snare-drums.md",
      "live": 29,
      "archive": 492
    },
    {
      "slug": "used-snare-drums",
      "label": "Used Snare Drums",
      "url": "https://counterhoop.com/used-snare-drums/",
      "spec": "https://counterhoop.com/specs/parts/used-snare-drums.md",
      "live": 29,
      "archive": 492
    },
    {
      "slug": "vintage-bass-drums",
      "label": "Vintage Bass Drums",
      "url": "https://counterhoop.com/vintage-bass-drums/",
      "spec": "https://counterhoop.com/specs/parts/vintage-bass-drums.md",
      "live": 7,
      "archive": 196
    },
    {
      "slug": "tom-drums",
      "label": "Tom Drums",
      "url": "https://counterhoop.com/tom-drums/",
      "spec": "https://counterhoop.com/specs/parts/tom-drums.md",
      "live": 21,
      "archive": 525
    },
    {
      "slug": "marching-drums",
      "label": "Marching Drums",
      "url": "https://counterhoop.com/marching-drums/",
      "spec": "https://counterhoop.com/specs/parts/marching-drums.md",
      "live": 15,
      "archive": 34
    },
    {
      "slug": "vintage-cymbals",
      "label": "Vintage Cymbals",
      "url": "https://counterhoop.com/vintage-cymbals/",
      "spec": "https://counterhoop.com/specs/parts/vintage-cymbals.md",
      "live": 12,
      "archive": 475
    },
    {
      "slug": "vintage-drum-hardware-parts",
      "label": "Vintage Drum Hardware & Parts",
      "url": "https://counterhoop.com/vintage-drum-hardware-parts/",
      "spec": "https://counterhoop.com/specs/parts/vintage-drum-hardware-parts.md",
      "live": 1295,
      "archive": 8083
    },
    {
      "slug": "drum-lugs",
      "label": "Drum Lugs",
      "url": "https://counterhoop.com/drum-lugs/",
      "spec": "https://counterhoop.com/specs/parts/drum-lugs.md",
      "live": 315,
      "archive": 1799
    },
    {
      "slug": "drum-mounts-brackets",
      "label": "Drum Mounts & Brackets",
      "url": "https://counterhoop.com/drum-mounts-brackets/",
      "spec": "https://counterhoop.com/specs/parts/drum-mounts-brackets.md",
      "live": 132,
      "archive": 1586
    },
    {
      "slug": "drum-rims-counterhoops",
      "label": "Drum Rims & Counterhoops",
      "url": "https://counterhoop.com/drum-rims-counterhoops/",
      "spec": "https://counterhoop.com/specs/parts/drum-rims-counterhoops.md",
      "live": 309,
      "archive": 1607
    },
    {
      "slug": "drum-tension-rods",
      "label": "Drum Tension Rods",
      "url": "https://counterhoop.com/drum-tension-rods/",
      "spec": "https://counterhoop.com/specs/parts/drum-tension-rods.md",
      "live": 537,
      "archive": 1315
    },
    {
      "slug": "bass-drum-claws-t-rods",
      "label": "Bass Drum Claws & T-Rods",
      "url": "https://counterhoop.com/bass-drum-claws-t-rods/",
      "spec": "https://counterhoop.com/specs/parts/bass-drum-claws-t-rods.md",
      "live": 148,
      "archive": 470
    },
    {
      "slug": "calfskin-drum-heads",
      "label": "Calfskin Drum Heads",
      "url": "https://counterhoop.com/calfskin-drum-heads/",
      "spec": "https://counterhoop.com/specs/parts/calfskin-drum-heads.md",
      "live": 51,
      "archive": 465
    },
    {
      "slug": "vintage-drum-heads",
      "label": "Vintage Drum Heads",
      "url": "https://counterhoop.com/vintage-drum-heads/",
      "spec": "https://counterhoop.com/specs/parts/vintage-drum-heads.md",
      "live": 93,
      "archive": 943
    },
    {
      "slug": "snare-strainers-throw-offs",
      "label": "Snare Strainers & Throw-Offs",
      "url": "https://counterhoop.com/snare-strainers-throw-offs/",
      "spec": "https://counterhoop.com/specs/parts/snare-strainers-throw-offs.md",
      "live": 23,
      "archive": 391
    },
    {
      "slug": "snare-butt-plates",
      "label": "Snare Butt Plates",
      "url": "https://counterhoop.com/snare-butt-plates/",
      "spec": "https://counterhoop.com/specs/parts/snare-butt-plates.md",
      "live": 23,
      "archive": 225
    },
    {
      "slug": "vintage-cymbals-gongs",
      "label": "Vintage Cymbals & Gongs",
      "url": "https://counterhoop.com/vintage-cymbals-gongs/",
      "spec": "https://counterhoop.com/specs/parts/vintage-cymbals-gongs.md",
      "live": 12,
      "archive": 447
    },
    {
      "slug": "mallet-band-percussion",
      "label": "Mallet & Band Percussion",
      "url": "https://counterhoop.com/mallet-band-percussion/",
      "spec": "https://counterhoop.com/specs/parts/mallet-band-percussion.md",
      "live": 33,
      "archive": 232
    },
    {
      "slug": "bongos-timbales-latin-percussion",
      "label": "Bongos, Timbales & Latin Percussion",
      "url": "https://counterhoop.com/bongos-timbales-latin-percussion/",
      "spec": "https://counterhoop.com/specs/parts/bongos-timbales-latin-percussion.md",
      "live": 26,
      "archive": 269
    },
    {
      "slug": "restored-vintage-drums",
      "label": "Fully Restored Vintage Drums",
      "url": "https://counterhoop.com/restored-vintage-drums/",
      "spec": "https://counterhoop.com/specs/parts/restored-vintage-drums.md",
      "live": 59,
      "archive": 1174
    }
  ]
}