• Country
• Germany

• Manufacturer / Brand
• QUELLE GmbH (Universum); Fürth und Nürnberg

• Year
• 1971/1972

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 189031

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

• Number of Transistors
• 17

• Semiconductors
• 2SC668 2SC668 2SC929 2SC772 2SC772 2SC772 2SC693 2SB186 2SB186 2SB186 2SB186 2SB186 2SB186 2SB405 2SB405 unknown_tr 1S188

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

• Tuned circuits
• 5 AM circuit(s)     7 FM circuit(s)

• Wave bands
• Broadcast, Short Wave plus FM or UHF.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 220 / 6 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.6 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Universum CTR2724A Best. Nr. 00182 - QUELLE GmbH Universum; Fürth

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 290 x 210 x 80 mm / 11.4 x 8.3 x 3.1 inch

• Notes
• Quelle Universum Radiorecorder CTR2724A;
  Transistoren im Gegentakt-Löschgenerator (OSC) nicht bekannt.
  Siehe auch Quelle Universum CTR2724 mit 19 Transistoren.

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Heiko zur Mühlen. See "Data change" for further contributors.

• Other Models

• Here you find 1090 models, 914 with images and 518 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from QUELLE GmbH (Universum); Fürth und Nürnberg