• Country
• Germany

• Manufacturer / Brand
• Kröncke, Dr. H.; Clausthal-Zellerfeld

• Year
• 1970 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 326940

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

• Number of Transistors
• 1

• Semiconductors
• SL403 2N2904

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

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

• Power out
• 10 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Niederfrequenz-Verstärker - Kröncke, Dr. H.; Clausthal-

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 210 x 145 x 115 mm / 8.3 x 5.7 x 4.5 inch

• Notes

• Niederfrquenz-Verstärker für Schulversuche z.B. im Physikunterricht. Eingang für Kristall-, Kohle- und dynamische Mikrophone. Ausgänge für Lautsprecher und Staubfiguren.

• Net weight (2.2 lb = 1 kg)
• 1.7 kg / 3 lb 11.9 oz (3.744 lb)

• Author
• Model page created by Manfred Rauschen. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kröncke, Dr. H.; Clausthal-Zellerfeld