Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

Radiosun (Brand), Auto Sundries, Ltd.; London

As a member you can upload pictures (but not single models please) and add text.
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: Radiosun (Brand), Auto Sundries, Ltd.; London    (GB)  
Abbreviation: radiosun
Products: Model types

Auto Sundries, Ltd.
10A Lower Grosvenor Place, London, S.W.1.

Brand: Radiosun

Manufacturer of radio parts, radio receivers, and Radiosun horn loudspeakers from 1923 until 1927.

At the N.A.R.M.A.T. Wireless Exhibition at the Royal Albert Hall in September 1924 Auto Sundries exhibited.

Radiosun Square Law Condenser: - Operated through a 20 to 1 reduction gear. End plates of Bakelite with coil spring contact and a moving plate.

Radiosun Cam Switçh: - Designed to eliminate hand capacity and high-frequency losses. By simply slotting the cam any of 191 different circuit changes can be effected.

Radiosun Rheostat: - Consists of two interchangeable resistance units for use with either bright or dull emitter filament valves.

Radiosun Loudspeaker: - Possesses several novel constructional features, and in particular the form of the cavity which is immediately above the diaphragm. Finished with polished mahogany or crystallised black flare. [1]

Founded: 1923
Closed: 1927
Production: 1923 - 1927

[1] Wireless World Sep 9, 1925, page 316

This manufacturer was suggested by John Koster.

Some models:
Country Year Name 1st Tube Notes
GB  27 RSN   Special cascade RC circuit. Price complete with valves, batteries and frame aerial. 
GB  23–26 Radiosun Loudspeaker [Standard Horn]   Standard Horn Model    The whole basis of music is one of vibrations and harm... 
GB  23–26 Radiosun Loudspeaker [Cabinet Model]   Hornless Cabinet Model Solid Polished Oak  -  7½ guineas Polished Mahoga... 


Further details for this manufacturer by the members (rmfiorg):

[1] Wireless World Sep 9, 1925, page 316. worldradiohistory comtbn_gb_autosundri_1_wireless_world_sep_9_1925_page_316.jpg
Wireless Magazine Aug, 1925, Page 87 worldradiohistory comtbn_gb_autosundri_wireless_magazine_aug_1925_page_87.jpg


Data Compliance More Information