History of the manufacturer
Gulbransen Co.; Chicago
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Gulbransen Co.; Chicago (USA) |
| Abbreviation: | gulbransen |
| Products: | Model types Brand |
| Summary: |
Gulbransen Company; 816 North Kedzie Avenue, Chicago, Illinois - Trade names Champion Jr., Gulbransen. According to "The Music Trade Review", September 15, 1928, Gulbransen Company was at 3232 W. Chicago Ave., Chicago. They claimed then to have 1500 radio dealers in an advertisement and state: "In the piano business, Gulbransen has attained leadership that all recognize." Then they sold radios also with franchising outlets - only AC table and console models. Tubes with the Gulbransen name made for the company. Manufacturer not known. |
| History: |
The Gulbransen Company began operation in 1904 producing pianos and reed organs. In 1930 Gulbransen aquired the radio manufacturer Wells-Gardner but kept the name as a division of Gulbransen. In July 1957, Gulbransen introduced its first electronic organ - designed by Richard H. Peterson. This was the Model B (Model 1100), a spinet that was the first transistor organ in the industry. Then they produced in 2050 North Ruby Street, Melrose Park, Illinois. Gulbransen eventually merged with Seeburg, and then the entire operation was absorbed by C.B.S. Gulbransen is now a division of Mission Bay Investments producing Elka organs with the Gulbransen name.
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Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 32 | 135 | 35 | |
| USA | 31/32 | 235 | 35 | Push-pull af output stage. |
| USA | 31 | 10 | 35 | |
| USA | 31 | 13 | 35 | Different power transformers for 110 V (25 cycle), 110 V (40-60 cycle) or 220 V (40-60 cyc... |
| USA | 31/32 | 20 early or late | 35 | Push-pull af output stage. |
| USA | 31/32 | 23 | 35 | Push-pull AF output stage; different power transformers are used for 110 V (25 cycle), 110... |
| USA | 32 | 130 | 35 | Wood with repwood grille. |
| USA | 33 | 05A | 77 | |
| USA | 33 | 06W | 78 | Push-pull af output stage; synchr. vibrator for +B. |
| USA | 32 | 135 [(new)] | 51 | Late model |
| USA | 31 | 135 [(old)] | 35 | Early model |
| USA | 30 | 160 | 24 | Different power transformers and filter systems for 25 or 60 cycle operation; push-pull af... |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
1929
I had found this advertisement long ago and can't remember from where, sorry.
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