• Country
• Germany

• Manufacturer / Brand
• Klein & Hummel; Stuttgart-Kemnat (Marke: K+H, Telewatt, Schwabenradio)

• Year
• 9999/9999

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 15321

• Number of Tubes
• 6

• Valves / Tubes

• Number of Transistors
• 10

• Semiconductors

• Main principle
• Audio-Amplification

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Dublette mit ID = 27157 - Klein & Hummel; Stuttgart-

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Picture reference
• Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.

• Other Models

• Here you find 161 models, 152 with images and 104 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Klein & Hummel; Stuttgart-Kemnat (Marke: K+H, Telewatt, Schwabenradio)