• Country
• Switzerland

• Manufacturer / Brand
• Zellweger AG; Uster

• Year
• 1949 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 250088

• Number of Tubes
• 4

• Valves / Tubes
• EF22 EF22 EBL21 unknown_Tube

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 220; 250 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Verstärker HV4K - Zellweger AG; Uster

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 80 models, 59 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zellweger AG; Uster