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    { "id" : "http://dbpedia.org/resource/Preamplifier"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A preamplifier (preamp) is an electronic amplifier that prepares a small electrical signal for further amplification or processing. A preamplifier is often placed close to the sensor to reduce the effects of noise and interference. It is used to boost the signal strength to drive the cable to the main instrument without significantly degrading the signal-to-noise ratio (SNR). The noise performance of a preamplifier is critical." ] ,
        "http://xmlns.com/foaf/0.1/depiction" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Musicfirstaudioclassicpreamplifier.jpg" ] ,
        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Musicfirstaudioclassicpreamplifier.jpg?width=300"] } } }
