• Year
  • 1973/1974
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 28989

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

 Technical Specifications

  • Number of Transistors
  • 10
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz
  • Tuned circuits
  • 5 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 0.25 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Alpha RG221 - Siemens & Halske, -Schuckert
  • Shape
  • Tablemodel with Clock ((Alarm-) Clock Radio).
  • Dimensions (WHD)
  • 280 x 84 x 128 mm / 11 x 3.3 x 5 inch
  • Notes
  • 24-Stunden-Digitaluhr (Klappzahlen).
  • Net weight (2.2 lb = 1 kg)
  • 1.5 kg / 3 lb 4.9 oz (3.304 lb)
  • External source of data
  • Erb

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The model Alpha is part of the collections of the following members.

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