{
  "manufacturer": "",
  "brand": "B&C Speaker",
  "model": "12CL64",
  "provider": "LoudspeakerDatabase.com",
  "date": "2025",
  "comments": "ts2",
  "volt": "1.0",
  "git": "0",
  "re": "5.5",
  "leb": "1.1",
  "rss": "0.0",
  "ke": "0.0",
  "le": "0.0",
  "bl": "17.5",
  "mms": "55.0",
  "c0": "0.172",
  "r0": "4.18",
  "f0": "52.0",
  "beta": "0.0",
  "lambda": "0.0",
  "sd": "522.0",
  "dd": "258.0",
  "cms": "0.172",
  "rms": "4.18",
  "l3": "1.1",
  "qms": "4.3",
  "qes": "0.32",
  "qts": "0.3",
  "fs": "52.0",
  "vas": "64.0",
  "temp": "20.0",
  "pres": "1013.25",
  "ah": "30.0",
  "cs": "343.684",
  "rho": "1.20095",
  "xmax": "4.5"
}