• Country
• Germany

• Manufacturer / Brand
• Phywe, Physikalische Werkstätten A.G.; Göttingen

• Year
• 1970 ??

• Category
• Teaching aids-material

• Radiomuseum.org ID
• 223181

• Number of Transistors
• 1

• Semiconductors
• OC604spez

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: NF-Transistorverstärkerplatte 6931 - Phywe, Physikalische

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 320 x 280 x 25 mm / 12.6 x 11 x 1 inch

• Notes
• Phywe Typ 6931;
  NF-Transistorverstärkerplatte für Experimentieraufbauten.

• Net weight (2.2 lb = 1 kg)
• 0.720 kg / 1 lb 9.4 oz (1.586 lb)

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

• Other Models

• Here you find 130 models, 97 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Phywe, Physikalische Werkstätten A.G.; Göttingen