• Year
  • 1968–1974
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 123484

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

 Technical Specifications

  • Number of Transistors
  • 10
  • Main principle
  • Superheterodyne (common); ZF/IF 460 kHz; 3 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     10 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type)
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 10 cm = 3.9 inch
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Alpha 2 RK501 [7 rot] - Siemens & Halske, -Schuckert
  • Dimensions (WHD)
  • 120 x 120 x 140 mm / 4.7 x 4.7 x 5.5 inch
  • Notes
  • Alpha 2 RK501 7 (rot), Design Bellini 1968.
  • Net weight (2.2 lb = 1 kg)
  • 1.3 kg / 2 lb 13.8 oz (2.863 lb)

 Collections | Museums | Literature

Collections

The model Alpha 2 is part of the collections of the following members.

Museums

The model Alpha 2 can be seen in the following museums.

 Forum

Forum contributions about this model: Siemens & Halske, -: Alpha 2 RK501

Threads: 1 | Posts: 1

Transistor Endstufe mit AC186/187 ist falsch und muss AC187/188 sein.

Mitteilung von Herr Boris Witke

Arpad Roth † 27.3.17, 20.May.09

Weitere Posts (1) zu diesem Thema.