{"data":{"id":44,"slug":"quadra","name":"Quadra","series":null,"year_produced":"1978","manual_link":null,"description":"It's called a Quadra, because Arp's monster synth has four independent sections: Bass, Poly synth, Lead synth, and Strings.  Add in an arpeggiator and a sweet phase shifter, and you have a instrument that is one of the most collectible vintage synthesizers.\r\n<p>\r\nThere were two different styles of keys used in the Quadras over the years - early models used the K34U keys, which mount onto metal brackets, and later models used all-plastic K17U keys.","gear_link":null,"brand":{"id":5,"name":"Arp","slug":"arp"},"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/gallery\/arp\/quadra\/Quadra-a.jpg","primary_meta":{"caption":"Arp Quadra gallery image","alt":"Arp Quadra gallery image"},"gallery":[{"full":"https:\/\/cdn.syntaur.com\/media\/gallery\/arp\/quadra\/Quadra-a.jpg","thumb":"https:\/\/cdn.syntaur.com\/media\/gallery\/arp\/quadra\/Quadra-a.jpg","caption":"Arp Quadra gallery image","alt":"Arp Quadra gallery image"}]},"items":{"data":[{"id":7942,"item_number":"3742","item_url":"Slider knob, white indicator, Arp","site_description":"Slider knob, white indicator, Arp","price":"9.95","dealer_price":"9.95","item_link":"slider-knob-white-indicator-arp","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/3742-Lg.jpg","primary_meta":{"caption":"Image of Item 3742","alt":"Image of Item 3742"},"gallery":[]}},{"id":14895,"item_number":"K17UBL","item_url":"Style 17U key, black note","site_description":"Style 17U key, black note","price":"13.95","dealer_price":"13.95","item_link":"style-17u-key-black-note","note":"For later Quadra","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K17UBL-Lg.jpg","primary_meta":{"caption":"Image of Item K17UBL","alt":"Image of Item K17UBL"},"gallery":[]}},{"id":14893,"item_number":"K17UA","item_url":"Style 17U key, note A","site_description":"Style 17U key, note A","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-a","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14894,"item_number":"K17UB","item_url":"Style 17U key, note B","site_description":"Style 17U key, note B","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-b","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14896,"item_number":"K17UC","item_url":"Style 17U key, note C","site_description":"Style 17U key, note C","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-c","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14898,"item_number":"K17UD","item_url":"Style 17U key, note D","site_description":"Style 17U key, note D","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-d","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14899,"item_number":"K17UE","item_url":"Style 17U key, note E","site_description":"Style 17U key, note E","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-e","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14900,"item_number":"K17UF","item_url":"Style 17U key, note F","site_description":"Style 17U key, note F","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-f","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14901,"item_number":"K17UG","item_url":"Style 17U key, note G","site_description":"Style 17U key, note G","price":"17.95","dealer_price":"17.95","item_link":"style-17u-key-note-g","note":"For later Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":14897,"item_number":"K17UC8","item_url":"Style 17U key, top C note","site_description":"Style 17U key, top C note","price":"24.95","dealer_price":"24.95","item_link":"style-17u-key-top-c-note","note":"For later Quadra","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K17UC8-Lg.jpg","primary_meta":{"caption":"Image of Item K17UC8","alt":"Image of Item K17UC8"},"gallery":[]}},{"id":15171,"item_number":"K34UBL","item_url":"Style 34U key, black note","site_description":"Style 34U key, black note","price":"10.95","dealer_price":"6.57","item_link":"style-34u-key-black-note","note":"For early models","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K34UBL-Lg.jpg","primary_meta":{"caption":"Image of Item K34UBL","alt":"Image of Item K34UBL"},"gallery":[]}},{"id":15169,"item_number":"K34UA","item_url":"Style 34U key, note A","site_description":"Style 34U key, note A","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-a","note":"For early Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":15170,"item_number":"K34UB","item_url":"Style 34U key, note B","site_description":"Style 34U key, note B","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-b","note":"For early Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":15172,"item_number":"K34UC","item_url":"Style 34U key, note C","site_description":"Style 34U key, note C","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-c","note":"For early Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":15174,"item_number":"K34UD","item_url":"Style 34U key, note D","site_description":"Style 34U key, note D","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-d","note":"For early Quadra","images":{"primary":null,"primary_meta":{"caption":"","alt":""},"gallery":[]}},{"id":15175,"item_number":"K34UE","item_url":"Style 34U key, note E","site_description":"Style 34U key, note E","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-e","note":"For early Quadra","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K34UE-Lg.jpg","primary_meta":{"caption":"Image of Item K34UE","alt":"Image of Item K34UE"},"gallery":[]}},{"id":15176,"item_number":"K34UF","item_url":"Style 34U key, note F","site_description":"Style 34U key, note F","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-f","note":"for early Quadra","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K34UF-Lg.jpg","primary_meta":{"caption":"Image of Item K34UF","alt":"Image of Item K34UF"},"gallery":[]}},{"id":15177,"item_number":"K34UG","item_url":"Style 34U key, note G","site_description":"Style 34U key, note G","price":"12.95","dealer_price":"7.77","item_link":"style-34u-key-note-g","note":"for early Quadra","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K34UG-Lg.jpg","primary_meta":{"caption":"Image of Item K34UG","alt":"Image of Item K34UG"},"gallery":[]}},{"id":15173,"item_number":"K34UC8","item_url":"Style 34U key, top C note","site_description":"Style 34U key, top C note","price":"17.95","dealer_price":"10.77","item_link":"style-34u-key-top-c-note","note":"For early Quadra","images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/K34UC8-Lg.jpg","primary_meta":{"caption":"Image of Item K34UC8","alt":"Image of Item K34UC8"},"gallery":[]}},{"id":9453,"item_number":"5176","item_url":"Transistor, 2N3904","site_description":"Transistor, 2N3904","price":"1.95","dealer_price":"1.17","item_link":"transistor-2n3904","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/5176-Lg.jpg","primary_meta":{"caption":"Image of Item 5176","alt":"Image of Item 5176"},"gallery":[]}},{"id":10306,"item_number":"6032","item_url":"Transistor, 2N3906","site_description":"Transistor, 2N3906","price":"1.95","dealer_price":"1.17","item_link":"transistor-2n3906","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/6032-Lg.jpg","primary_meta":{"caption":"Image of Item 6032","alt":"Image of Item 6032"},"gallery":[]}},{"id":11719,"item_number":"7444","item_url":"Transistor, TIP110","site_description":"Transistor, TIP110","price":"2.95","dealer_price":"1.77","item_link":"transistor-tip110","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/7444-Lg.jpg","primary_meta":{"caption":"Image of Item 7444","alt":"Image of Item 7444"},"gallery":[]}},{"id":9372,"item_number":"5095","item_url":"Trim potentiometer, 100 ohms","site_description":"Trim potentiometer, 100 ohms","price":"3.95","dealer_price":"2.77","item_link":"trim-potentiometer-100-ohms","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/5095-Lg.jpg","primary_meta":{"caption":"Image of Item 5095","alt":"Image of Item 5095"},"gallery":[]}},{"id":5561,"item_number":"1508","item_url":"Trim potentiometer, 100KB","site_description":"Trim potentiometer, 100KB","price":"3.95","dealer_price":"2.37","item_link":"trim-potentiometer-100kb","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/1508-Lg.jpg","primary_meta":{"caption":"Image of Item 1508","alt":"Image of Item 1508"},"gallery":[]}},{"id":9438,"item_number":"5161","item_url":"Trim potentiometer, 1K","site_description":"Trim potentiometer, 1K","price":"2.95","dealer_price":"1.77","item_link":"5161-trim-potentiometer-1k","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/5161-Lg.jpg","primary_meta":{"caption":"Image of Item 5161","alt":"Image of Item 5161"},"gallery":[]}},{"id":9412,"item_number":"5135","item_url":"Trim potentiometer, 250KB","site_description":"Trim potentiometer, 250KB","price":"2.95","dealer_price":"1.77","item_link":"trim-potentiometer-250kb","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/5135-Lg.jpg","primary_meta":{"caption":"Image of Item 5135","alt":"Image of Item 5135"},"gallery":[]}},{"id":9411,"item_number":"5134","item_url":"Trim potentiometer, 25K","site_description":"Trim potentiometer, 25K","price":"2.95","dealer_price":"1.77","item_link":"trim-potentiometer-25k","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/5134-Lg.jpg","primary_meta":{"caption":"Image of Item 5134","alt":"Image of Item 5134"},"gallery":[]}},{"id":6472,"item_number":"2256","item_url":"Voltage regulator, 7805","site_description":"Voltage regulator, 7805","price":"2.95","dealer_price":"1.77","item_link":"voltage-regulator-7805","note":null,"images":{"primary":"https:\/\/cdn.syntaur.com\/media\/items\/2256-Lg.jpg","primary_meta":{"caption":"Image of Item 2256","alt":"Image of Item 2256"},"gallery":[]}}],"links":{"first":"https:\/\/synd.syntaur.com\/api\/v1\/synths\/quadra?items_per_page=48&items_sort=item_url&items_page=1","last":"https:\/\/synd.syntaur.com\/api\/v1\/synths\/quadra?items_per_page=48&items_sort=item_url&items_page=2","prev":"https:\/\/synd.syntaur.com\/api\/v1\/synths\/quadra?items_per_page=48&items_sort=item_url&items_page=1","next":null},"meta":{"current_page":2,"last_page":2,"per_page":48,"from":49,"to":76,"total":76}},"seo":{"title":"Arp Quadra Parts","description":"It's called a Quadra, because Arp's monster synth has four independent sections: Bass, Poly synth, Lead synth, and Strings.  Add in an arpeggiator and a sw...","image":"https:\/\/syntaur.com\/images\/syntaur-logo-blue.png","robots":"index,follow,max-snippet:-1,max-image-preview:large,max-video-preview:-1","canonical":"https:\/\/syntaur.com\/parts\/arp\/quadra"}}}