History of the manufacturer
Brown S. G. Ltd.; London
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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: | Brown S. G. Ltd.; London (GB) |
| Abbreviation: | brown |
| Summary: |
S.G. Brown Ltd., Victoria Rd., North Acton, London W3. |
| History: |
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| GB | 24 | H 1 [new improved curved horn] | Aluminium horn, wooden base, impedance 120 or 2000 or 4000 ohms, Brown reed driver, alu... | |
| GB | 23–25 | Microphone Amplifier Type C | To drive several pairs of headphones from a Crystal receiver; Mechanical amplifier: Magnet... | |
| GB | 25 | Q | Mahogany flare and polished aluminium horn, mounted by a model of a bluebird. Impedance 40... | |
| GB | 25–27 | Disc 1 | Electromagnetic speaker. Ø 15 inch, height: 19 inch. | |
| GB | 25 | H4 | Hauteur: 25.5 cm. In "Le Guide du Coll.Biraud/Foster 2" Jahrgang 1926. HP électromagnétiqu... | |
| GB | 25 | H3 | HP électromagnétique. | |
| GB | 23 | Microphone Amplifier Type V | to drive a loudspeaker from a 1-valve rec.; Mechanical amplifier: Magnet system driving... | |
| GB | 23 | Junior Wireless Set [early] | ||
| GB | 23 | Ideal Wireless Set | ||
| GB | 27 | Junior Wireless Set [late] | uses the mechan.1-stage Microphone Amplifier. Provision for LW coil. | |
| GB | 27/28 | Horn Speaker Type E1 Standard | Square cast metal base on four feet. Horn type HQ, new base. The name in "Le Guide du ... | |
| GB | 25 | HQ | Round wooden base. |
[rmxhdet-en]
Further details for this manufacturer by the members (rmfiorg):
Thanks for Első Zalai Rádiómúzeum Alapítvány, First Zala County Radio Museum Foundation Hungary (radio-muzeum.hu).
Thanks for technical assistance Első Zalai Rádiómúzeum Alapítvány ( radio-muzeum.hu), First Zala County Radio Museum Foundation, Hungary, Zalaegerszeg.
Sidney George Brown, F.R.S. Engineer, Inventor, founder of S. G. Brown, Limited by Ian L. Sanders.