• Country
• Germany

• Manufacturer / Brand
• Semco Electronic GmbH, Wesseln

• Year
• 1966–1968

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 179638

• • Brand: Semcoset

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

• Number of Transistors
• 3

• Semiconductors
• AF139 AF139 AF139

• Main principle
• Superheterodyne (common); ZF/IF 5500 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Powered by external power supply or a main unit. / 12 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Mini-Transistor-Tuner MTTu-2 - Semco Electronic GmbH, Wesseln

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 90 x 25 x 40 mm / 3.5 x 1 x 1.6 inch

• Notes

• Baustein der Mini-Reihe von Semco.

  Transistor-Tuner für das 2-m-Amateurband. 3 Kreise zur Vorselektion. Regelbare HF-Vorstufe. Abstimmbereich 143,5...146,5 MHz. Ein- und Ausgangsimpedanz 60 Ω asymetrisch; Ausgangsfrequenz 5,5 MHz, Verstärkung ca. 22 dB; Spiegeldämpfung ca. 24 dB; Rauschzahl F ca. 2,0; Stromaufnahme ca. 5,5 mA (ungeregelt); Betriebsspannung 12 VDC, entnehmbar aus MNFB oder stabilisiert aus MTSM 20. Passender ZF-Baustein: MZFB-5,5.

• Price in first year of sale
• 65.00 DM

• Literature/Schematics (1)
• Semco-Katalog 1966 + 1968

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

• Other Models

• Here you find 37 models, 34 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Semco Electronic GmbH, Wesseln