• Country
• United States of America (USA)

• Manufacturer / Brand
• Automatic Radio Mfg. Co.; Boston (MA)

• Year
• 1938 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 332890

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 6Q7 25Z5 25L6

• Number of Transistors

• Semiconductors
• BM49C

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Wave bands
• Broadcast and Short Wave (SW).

• Details
• Radio with other functions

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 4 inch = 10.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Airmaster unknown - Automatic Radio Mfg. Co.;

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 16 x 9 x 7 inch / 406 x 229 x 178 mm

• Notes

• Clock has no alarm.

• Net weight (2.2 lb = 1 kg)
• 9.2 lb (9 lb 3.2 oz) / 4.177 kg

• Author
• Model page created by Larry Smith. See "Data change" for further contributors.

• Other Models

• Here you find 401 models, 164 with images and 321 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Automatic Radio Mfg. Co.; Boston (MA)