• Country
• Belgium

• Manufacturer / Brand
• Bell Telephone Mfg. Co. (Radiobell); Antwerp

• Year
• 1929

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 202888

• • Brand: Radiobell

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 200 Volt

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

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: AD-5224 - Bell Telephone Mfg. Co.

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Source of data
• -- Original prospect or advert

• Other Models

• Here you find 284 models, 243 with images and 116 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell Telephone Mfg. Co. (Radiobell); Antwerp