• Country
• United States of America (USA)

• Manufacturer / Brand
• Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

• Year
• 1956

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 125157

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• 12AC6 12AD6 12AC6 12F8 12K5

• Number of Transistors
• 1

• Semiconductors
• 2N176 or. 2N178

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Volumatic unknown - Motorola Inc. ex Galvin Mfg.Co

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 230 x 130 x 205 mm / 9.1 x 5.1 x 8.1 inch

• Notes
• There is an output jack for an external speaker.

• Net weight (2.2 lb = 1 kg)
• 3.4 kg / 7 lb 7.8 oz (7.489 lb)

• Author
• Model page created by Reinhard Hanschke. See "Data change" for further contributors.

• Other Models

• Here you find 4508 models, 2955 with images and 4002 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)