Supra-Selector 37 SB4346GW

Körting-Radio; Leipzig, später Grassau

  • Year
  • 1936/1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 2433
    • alternative name: Dietz & Ritter GmbH, Dr.

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 468 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • AC/DC-set / 110; 125; 150; 220; 240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Supra-Selector 37 SB4346GW - Körting-Radio; Leipzig, später
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 490 x 404 x 305 mm / 19.3 x 15.9 x 12 inch
  • Notes
  • variable Bandbreite. Abstimmanzeige durch Glimmröhre. Spartransformator!!.
  • Net weight (2.2 lb = 1 kg)
  • 22 kg / 48 lb 7.3 oz (48.458 lb)
  • Price in first year of sale
  • 415.00 RM
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung

 Collections | Museums | Literature

Collections

The model Supra-Selector 37 is part of the collections of the following members.

 Forum

Forum contributions about this model: Körting-Radio;: Supra-Selector 37 SB4346GW

Threads: 1 | Posts: 4

I am having difficulty getting the 6 MHz coil slug adjusted for the K1 SW band. 12 MHz trimmer cap adjusts just fine. But the 6 MHz slug can be pulled out of the coil but the oscillator is still running too low. I have cleaned this coil of all dirt and contaminants.

Are theses coil forms or wire insulation subject to deterioration? I have disassembled and cleaned the Oscillator section and switches a few times. Insured there were no visible damages to the oscillator coil. I changed the oscillator 50 pf (was 62pf) grid capacitor and the G2 to cathode 500pf (was 637 pf) capacitor.

I even tried to align the SW at 12 MHz minus IF but the trimmers did not cover that range.

I am open to any suggestion.

 

Paul E. Pinyot † 2013, 10.May.12

Weitere Posts (4) zu diesem Thema.