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History of the manufacturer  

Audio Industries (brand Ultratone); Michigan City, IN

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Name: Audio Industries (brand Ultratone); Michigan City, IN    (USA)  
Abbreviation: audioindus
Products: Model types

Audio Industries; West XXX Street, Michigan City, Indiana (1963). Brand = Ultratone. Manufacturer of tape recorders and record cutting models for blank laquers. Ultratone is mentioned in "Radio & Television Retailing", March 1947, page 115 and AUDIO RECORD, November 1949.

Not to be confused with Ultratone Mfg. Co., Inc.

Trademark "Ultratone" first use Aug. 01, 1945; filed Mar. 01, 1946; registered with USPTO Feb. 07, 1950.

This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
USA  55 Ultratone 981   Model Ultratone 981 is a Hi-Fi Phonograph.   Has a rectifier. 
USA  56 Ultratone 410 25AC5  AC Operated Phono Amplifier With 3 Speed Manual Record Player. Selenium Rectifier   
USA  56 Ultratone 110 25CA5  The Ultratone Model 110 is a AC Operated Phono Amplifier With 3 Speed Manual Record Pla... 
USA  50 Ultratone PR-2   33 & 78 rpm. 
USA  45 Ultratone Radio & Record Cutter 6SA7  5 functions: Radio / Phono / Rec. Radio / Rec. Mic / P.A.. 
USA  47 Ultratone PM-61   Disc storage compartment in cover. Case is plywood covered with two-tone fabricoid. Portab... 
USA  46 Phonograph WA-6   Model WA-6 wireless type phonograph with automatic record changer.Combined manual- or auto... 
USA  47 Ultratone TA-7   Model TA-7 table style record player with Milwaukee-Erwood automatic disc changer. Tone co... 
USA  47 Ultratone PM-70   Case is plywood covered in two-tone fabricoid. Portable. 
USA  47 Ultratone PA-61   Case is plywood covered with durable, two-tone fabricoid. Portable. 
USA  46 Ultratone PB-6 unknown_Tube  Record storage compartment in cover. 
USA  46 Ultratone PA-6 unknown_Tube   


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

Scanned from the Radio Retailing July 1946 page 79.tbn_audio_prom_rr_jul46_p79.jpg
Scanned from the Radio & Television Retailing March 1947 page 115.tbn_rr_mar47_p115.jpg
Scanned from the Radio & Television Retailing May 1947 page 71.tbn_rr_may47_p71.jpg