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

Gulbransen Company was a musical instrument manufacturer of player pianos and home organs in the United States. It also made reed organs. It was originally established in 1904 by Axel Gulbransen as Gulbransen Piano Company.[1][2]

In the history of musical instruments, Gulbransen is notable for 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] although its use of transistors was limited to the tone generators, and vacuum tubes were still used for the power amplifier. (The first fully transistorized organ for churches was later built by Rodgers Instruments.)

Seeburg / Gulbransen
rhythm machines

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

Also in the 1960s, Gulbransen released one of the earliest transistorized rhythm machines "Seeburg/Gulbransen Select-A-Rhythm",[4][5] collaborating with Seeburg Corporation. Note that Seeburg invented a fully transistorized rhythm machine in 1964, which was patented in 1967.[6]

The owner of Gulbransen changed several times since the 1950s. Around 1950, it was sold to CBS, then in 1964, merged with Seeburg Corporation, and production was once 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 and pianos were made by Samick.[1]

See also

References

  1. 1 2 3 4 James Grebe (2011). "The Gulbransen Piano Company". Yesterday Once More Publications.
  2. 1 2 3 4 "The Gulbransen Organ". TheatreOrgans.com. May 2006. Includes 1957 brochures of "Gulbransen Model B organ".
  3. ↑ "Rare Early Seeburg Rhythm Prince Synthesizer Drum Synth". MatrixSynth. May 13, 2009.
  4. 1 2 "Select-a-Rhythm Vintage Drum Machine". EricArcher.net. Archived from the original on 2011-09-16. Retrieved 2011-11-20.
  5. ↑ Seeburg Portable Select-A-Rhythm Service Manual (PDF). Seeburg Sales Corporation. Archived from the original (PDF) on 2012-04-25. Rhythm patterns were electronically generated by a 48-step binary counter using 6-stage flip-flops.
  6. ↑ US patent 3,358,068, Richard H. Campbell, Jr., Gilford, N.H. (assigned to Seeburg Corporation), "Musical Instruments", issued 1967-12-12
    — related patents filed at the same time were: Automatic Rhythm Device, Automatic Repetitive Rhythm Instrument Timing Circuitry, and sound circuits of Snare Drum Instrument and Cow Bell Instrument.
  7. ↑ "QRS acquires Gulbransen: plans new types of reproducing technologies. (Industry Forefront)", Music Trades (March 1, 2003), archived from the original on 2016-04-13, QRS Music Technologies, Inc., has acquired Gulbransen, Inc., ...
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