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History of the manufacturer  

Multi-Audi-Fone; Elizabeth, N.J.

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Name: Multi-Audi-Fone; Elizabeth, N.J.    (USA)  
Abbreviation: multiaudi
Products: Model types
Summary:

Multi-Audi-Fone; Elizabeth, New Jersey.

The Multi-Audi-Fone company was a frequent advertiser in QST before the outbreak of WWI. They offered a wide range of products from crystal detectors to the Multi-Form Receiver.

History:
February 1917 QST advertisement page 75.

This manufacturer was suggested by Alan Larsen.


Some models:
Country Year Name 1st Tube Notes
USA  16 Detectorfone Audion_dbw  Multi-Audi-Phone Detector cabinet. 
USA  16 Short Wave Regenerative Attachment   Multi-Audi-Phone Short Wave Regenerative Attachment is used with a loose coupler and an Au... 
USA  16 Multiform Receiver Audion_dbw  Multi-Audi-Phone Multiform Regenerative Receiver covers the 150-15,000 meters wavelength. ... 
USA  16 Two Step M.A.F.   Multi-Audi-Phone Two Step Audio Amplifier. 
USA  16/17 Undamped Waver   The Multi-Audi-Fone Undamped Waver was advertised in the November 1916 QST magazine. No sp... 
USA  15 Multum In Parvo   The Multi-Audi-Phone Crystal Receiver use a Crystaloi crystal detector for detection. The ... 
USA  16 Undamped Wave Tuner   Multi-Audi-Phone Undamped Wave Tuner covered the 1,500 to 15,000 meter wavelength range. T... 
USA  16 Multi-Audi-Fone   Multi-Audi-Fone. Multi-Audi-Fone advertisement in November 1916 QST calls it a Two Step M.... 
USA  17 Loose Coupler Type AU   Multi-Audi-Fone Type AU Long Wave Loose Coupler - Range 4,000-15,000 meters. Built ... 
USA  17 Loose Coupler Type AD   Multi-Audi-Fone Type AD Loose Coupler - Range 150-3,000 meters. Built with mahogany... 
USA  16 Jewelers Time Receiving Set   Jewelers Time Receiving Set. Set designed to receive time signals from Arlington.  
USA  16 Multi-Audi-Fone Wireless Instruments catalog 1916    

[rmxhdet-en]

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

October 1915 The Wireless Age magazine page IVtbn_usa_multiaudiphone_ad_oct1915wirelessage.jpg

  

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