About: http://webisa.webdatacommons.org/67222721

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	The output of amplifier 50 is connected to a single pole low cut frequency filter 56 for attenuating undesirably low frequencies, for example below 200 Hertz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com