About: http://webisa.webdatacommons.org/117867549

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	If you only define a valve amp as something that exclusively uses valves and at no point uses transistors for anything then nothing is a valve amp.
http://www.w3.org/ns/prov#wasQuotedFrom	ultimate-guitar.com