• Country
• Czechoslovakia

• Manufacturer / Brand
• Philips akc. spol., Praha-Hloubetin

• Year
• 1940

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 135808

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

• Number of Tubes
• 5

• Valves / Tubes
• E446 E446 F443N F443N AX1

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt

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

• Power out
• 20 W (unknown quality)

• from Radiomuseum.org
• Model: 2821 - Philips akc. spol., Praha-

• Shape
• Chassis only or for «building in»

• Notes
• Verstärker 2821, Eingänge für Pick-up und Mikrofon, verschiedene Ausgänge: 100 V/500 Ω, 80 V/320 Ω, 60 V/160 Ω, 40 V/80 Ω, 20 V/20 Ω.

• Source of data
• -- Original-techn. papers.

• Literature/Schematics (4)
• BaPo katalógus, Budapest 1940.

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 162 models, 137 with images and 124 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips akc. spol., Praha-Hloubetin