• Country
• United States of America (USA)

• Manufacturer / Brand
• Gray Manufacturing Co., Inc. Hartford, CT

• Year
• 1949

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 202960

• Number of Tubes
• 4

• Valves / Tubes
• 12AX7 12AU6 35C5 35C5

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Recording phonogr.-Disc Recorder

• Power type and voltage
• AC/DC-set / 125 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Audograph Dictation Machine - Gray Manufacturing Co., Inc.

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 300 x 220 x 280 mm / 11.8 x 8.7 x 11 inch

• Notes
• The reading of the disc runs from the centre outwards (constant linear velocity) at 45 rpm. micrófono-altavoz remote control.

• Net weight (2.2 lb = 1 kg)
• 4.2 kg / 9 lb 4 oz (9.251 lb)

• Author
• Model page created by Jose Mayoral-Diaz. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gray Manufacturing Co., Inc. Hartford, CT