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Gulbransen

Gulbrasen Piano Company From Wikipedia, the free encyclopedia

Gulbransen
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Gulbransen Company was an American manufacturer of pianos, including player pianos; and reed and home organs in Chicago, Illinois. Established in 1904 by Axel Gulbransen as Gulbransen Piano Company, it introduced several innovations in the field.[1][2]

Thumb
Gulbransen Organ
exhibited at Museum of Making Music
Thumb
Gulbransen Pacemaker
electronic home organ

Gulbransen introduced several innovations. In its early years, Gulbransen made the first upright piano with a player piano mechanism in the same case. In the 1920s, thousands of player pianos were manufactured by the firm under the Gulbransen and Dickinson name.[1] In the electronic organ era, Gulbransen pioneered several innovations in the production of home electronic organs that became industry standards:[2]

In 1957, Gulbransen released the first transistorized electric organ: "Gulbransen Model B" (Model 1100),[2] Its use of transistors was limited to the tone generators; the power amplifier was driven by vacuum tubes. (The first fully transistorized organ for churches was later built by Rodgers Instruments.)[citation needed]


Seeburg Rhythm Prince (uses mechatronic wheel sequencer)[3]
Seeburg/Gulbransen Select-A-Rhythm (fully electronic)[4]

In the 1960s, Gulbransen and Seeburg Corporation released one of the earliest transistorized rhythm machines: "Seeburg/Gulbransen Select-A-Rhythm"[4][5]. Seeburg would invent a fully transistorized rhythm machine in 1964 and receive a patent three years later.[6]

Around 1950, the company was sold to CBS. In 1964, it merged with Seeburg Corporation. Production ceased in 1969.[1]

In 1985, Mission Bay Investments acquired the brand and produced Elka organs under the Gulbransen name.[2] In 2002 or 2003,[7] QRS Music Technologies acquired the brand; pianos were made by Samick.[1]

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References

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