• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1960 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 301668

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

• Number of Tubes
• 2

• Valves / Tubes
• 12BH7A 6AR5

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 50/60 Hz, 105-125; 220-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Bestone Signal Generator TE-20D - Unknown - CUSTOM BUILT: Japan

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

• Dimensions (WHD)
• 125 x 170 x 140 mm / 4.9 x 6.7 x 5.5 inch

• Notes

• 6 Bands:

  • A = 120 - 320 kHz
  • B = 320 - 1000 kHz
  • C = 1 - 3.4 MHz
  • D = 3.2 - 11 MHz
  • E = 11 - 38 MHz
  • F = 36 - 130 MHz (fundamental)
  • F = 100 MHz (harmonic)

  Internal modulation 400 Hz. Two RF outputs with different levels. AF signal output, 400 Hz, attenuation 8 V adjustable.

  See also Tech Instruments TE-20D.

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

• Author
• Model page created by Jesus-Jose Diez-Lopez. See "Data change" for further contributors.

• Other Models

• Here you find 1139 models, 1001 with images and 97 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan