About: http://webisa.webdatacommons.org/9959345

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most sub drivers have an Fs around 20Hz and very, very few people have mains that reach that low at any sort of level.
http://www.w3.org/ns/prov#wasQuotedFrom	avsforum.com