PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I am not familiar with the Magnats you cite but I am pretty sure those tech specs are extremely optimistic. 19 Hz is a frequency that very few high-end monsters can reproduce flat (or at -3dB) namely Wilson Watt+Puppy, some Von Schweickert floorstanders, B&W 800's etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tnt-audio.com