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The Telharmonium was retailed by Cahill for $200,000. [19] The Telharmonium's demise came for a number of reasons. The instrument was immense in size and weight. This being an age before vacuum tubes had been invented, it required large electric dynamos which consumed great amounts of power in order to generate sufficiently strong audio signals ...
Thaddeus Cahill (June 18, 1867 – April 12, 1934) was a prominent american inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. He studied the physics of music at Oberlin Conservatory in Oberlin, Ohio.
Immediate source: The ‘Telharmonium’ or ‘Dynamophone’ Thaddeus Cahill, USA 1897. 120 Years of Electronic Music (120years.net). Date: 1907 (original file) Source: This file was derived from: Telharmonium - Scientific American 1907.png: Author: Telharmonium - Scientific American 1907.png: Unknown author; derivative work: Clusternote
1969 : Matsushita engineer Shuichi Obata invents first direct-drive turntable, Technics SP-10 [21] 1972 : Sord Computer Corporation develop Sord SMP80/08, an early microcomputer [22] 1973 : Yamaha releases the Yamaha GX-1, [23] the first polyphonic synthesizer [24] 1974 : Yamaha builds the first digital synthesizer [25] [failed verification]
A tonewheel or tone wheel is a simple electromechanical apparatus used for generating electric musical notes in electromechanical organ instruments such as the Hammond organ and in telephony to generate audible signals such as ringing tone. It was developed by Thaddeus Cahill for the telharmonium c. 1896 and patented in 1897. [1]
This instrument was built in 1914 for Sir David Lionel Salomons to play not only rolls for the organ but also for his Welte Orchestrion No. 10 from about 1900, which he traded in for the organ. One of these organs can also be seen in the Scotty's Castle museum in Death Valley, where it is played regularly during museum tours.