• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1964/1965

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 170494

• Number of Tubes
• 3

• Valves / Tubes
• ECC83 ECLL800 ECLL800

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 8.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Truhenbaustein NF1325 - Graetz, Altena Westfalen

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 259 x 129 x 159 mm / 10.2 x 5.1 x 6.3 inch

• Notes
• NF Verstärker Baustein für Graetz Musiktruhen

• Source of data
• - - Data from my own collection

• Author
• Model page created by Armin Beyer. See "Data change" for further contributors.

• Other Models

• Here you find 770 models, 689 with images and 593 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)