• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1975–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 118167

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

• Number of Tubes
• 4

• Valves / Tubes
• DG12H1 DG12H1 DG12H1 DG12H1

• Number of Transistors
• 52

• Semiconductors
• TBA450 UAA180 MM5316N BA301 BA301 BD245 BD245 BD245 BD245

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 7 AM circuit(s)     12 FM circuit(s)

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

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 220 Volt

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

• Power out
• 30 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Master Studio 306 - Graetz, Altena Westfalen

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 637 x 146 x 332 mm / 25.1 x 5.7 x 13.1 inch

• Notes

• 3 ICs; 1 Thyristor.
  Eingebaute Digital-Schaltuhr mit Digitron-Anzeige (VFD) .

• Net weight (2.2 lb = 1 kg)
• 10.2 kg / 22 lb 7.5 oz (22.467 lb)

• Source of data
• Handbuch VDRG 1975/1976

• Mentioned in
• Handbuch VDRG 1976/1977 (und 1977/78)

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

• Author
• Model page created by Werner Feldmann. See "Data change" for further contributors.

• Other Models

• Here you find 777 models, 697 with images and 596 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)