• Country
• Germany

• Manufacturer / Brand
• Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)

• Year
• 1976–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 86157

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: SMR740 - Heco, Hennel & Co. KG;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 490 x 130 x 320 mm / 19.3 x 5.1 x 12.6 inch

• Notes
• HiFi-Stereo-Steuergerät. Ausgangsleistung: 2× 30 W (Sinus); Eingänge: 2× Phono, Reserve, 2× Band (als Vor-/Endstufe auftrennbar), 4 LS-Buchsen.
  Gehäuse: Nussbaum natur oder Graphitschwarz.

• Net weight (2.2 lb = 1 kg)
• 10.5 kg / 23 lb 2 oz (23.128 lb)

• Source of data
• Handbuch VDRG 1977/1978 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Handbuch VDRG 1976/1977

• Author
• Model page created by Peter Böhm. See "Data change" for further contributors.

• Other Models

• Here you find 138 models, 136 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)