{"meta":{"version":"2.1","_links":{"self":{"href":"https://api.vam.ac.uk/v2/object/O1194711"},"collection_page":{"href":"https://collections.vam.ac.uk/item/O1194711/"}},"images":{"_primary_thumbnail":"https://framemark.vam.ac.uk/collections/2011EU0508/full/!100,100/0/default.jpg","_iiif_image":"https://framemark.vam.ac.uk/collections/2011EU0508/","_alt_iiif_image":[],"imageResolution":"high","_images_meta":[{"assetRef":"2011EU0508","copyright":"© Victoria and Albert Museum, London","sensitiveImage":false},{"assetRef":"2011EU0503","copyright":"© Victoria and Albert Museum, London","sensitiveImage":false}]},"see_also":{"_iiif_pres":"https://iiif.vam.ac.uk/collections/O1194711/manifest.json","_alt_iiif_pres":[]}},"record":{"systemNumber":"O1194711","accessionNumber":"CIRC.466-1973","objectType":"Headphones","titles":[{"title":"Wharfedale Isodynamic headphones","type":"manufacturer's title"}],"summaryDescription":"The Yorkshire company Wharfedale has been a leading innovator in loudspeaker technology since the early 1930s.\r\n\r\nThe Wharfedale Isodynamic headphones were seen as a breakthrough both technologically, offering high-quality sound reproduction at a lower price. They used a new principle to produce high fidelity sound of a quality previously only possible with headphones at least twice and even four times as expensive. \r\n\r\nThe Design Journal suggests that the key to Wharfedale's success is the intelligent used of two new materials, a unique very thin polyimide film and a new magnetic material bonded with a synthetic rubber.","physicalDescription":"Wharfedale Isodynamic headphones, ABS plastic moulded shell and stainless steel headband.","artistMakerPerson":[],"artistMakerOrganisations":[{"name":{"text":"Rank Radio Industrial Design Unit","id":"A39243"},"association":{"text":"designers","id":"AAT25190"},"note":""},{"name":{"text":"Rank Radio International Ltd.","id":"A39244"},"association":{"text":"manufacturers","id":"AAT25230"},"note":""}],"artistMakerPeople":[],"materials":[{"text":"acrylonitrile-butadiene-styrene copolymer","id":"AAT14418"},{"text":"stainless steel","id":"AAT10920"}],"techniques":[{"text":"moulding","id":"AAT53134"}],"materialsAndTechniques":"ABS plastic moulded shell and stainless steel headband.","categories":[{"text":"Design Council Award Winner","id":"THES49046"},{"text":"Audio equipment","id":"THES49027"},{"text":"Product design","id":"THES49025"}],"styles":[],"collectionCode":{"text":"FWK","id":"THES48597"},"images":["2011EU0508","2011EU0503"],"imageResolution":"high","galleryLocations":[{"current":{"text":"002","id":"THES344602"},"free":"","case":"","shelf":"","box":""}],"partTypes":[[{"text":"headphones","id":""}]],"contentWarnings":[{"apprise":"","note":""}],"placesOfOrigin":[{"place":{"text":"Bradford","id":"x37941"},"association":{"text":"manufactured","id":"x29350"},"note":""}],"productionDates":[{"date":{"text":"1972","earliest":"1972-01-01","latest":"1972-12-31"},"association":{"text":"","id":""},"note":""}],"associatedObjects":[],"creditLine":"","dimensions":[{"dimension":"Height","value":"130","unit":"mm","qualifier":"","date":{"text":"","earliest":null,"latest":null},"part":"","note":"Measurement of protective plastic case - excludes original carboard box"},{"dimension":"Width","value":"230","unit":"mm","qualifier":"","date":{"text":"","earliest":null,"latest":null},"part":"","note":"Measurement of protective plastic case - excludes original carboard box"},{"dimension":"Depth","value":"260","unit":"mm","qualifier":"","date":{"text":"","earliest":null,"latest":null},"part":"","note":"Measurement of protective plastic case - excludes original carboard box"}],"dimensionsNote":"","marksAndInscriptions":[],"objectHistory":"Historical significance: Winner of the Design Centre Award in 1973.","historicalContext":"","briefDescription":"Wharfedale Isodynamic headphones, designed by the Rank Radio Industrial Design Unit and manufactured by Rank Radio International Ltd.","bibliographicReferences":[{"reference":{"text":"","id":""},"details":"","free":"The Design Council Consumer goods Awards 1973, <u> Design Journal </u>, April 1973, no. 292. p.36"}],"production":"","productionType":{"text":"","id":""},"contentDescription":"","contentPlaces":[],"associatedPlaces":[],"contentPerson":[],"associatedPerson":[],"contentOrganisations":[],"associatedOrganisations":[],"contentPeople":[],"associatedPeople":[],"contentEvents":[],"associatedEvents":[],"contentOthers":[],"contentConcepts":[],"contentLiteraryRefs":[],"galleryLabels":[],"partNumbers":["CIRC.466-1973"],"accessionNumberNum":"466","accessionNumberPrefix":"CIRC","accessionYear":1973,"otherNumbers":[],"copyNumber":"","aspects":["WHOLE"],"assets":["2020MP1600"],"recordModificationDate":"2025-05-01","recordCreationDate":"2011-04-28","availableToBook":false}}