About: http://webisa.webdatacommons.org/346877436

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	As far as the AKG 141 ( and 142? ) series here is a picture and close measurements.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org