• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1992 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 144790

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

• Number of Transistors
• 28

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Equalizer RQ300G4 - Siemens & Halske, -Schuckert

• Shape
• Book-shelf unit.

• Notes
• 1IC; Graphic-Equalizer: Klangregelbereich: 63 Hz +- 10dB, 125 Hz +- 10 dB, 250 Hz +- 10dB, 500 Hz +- 10 dB, 1 kHz +- 10dB, 2 kHz +- 10dB, 4 kHz +- 10dB, 8 kHz +- 10dB, 16kHz +- 10dB

• Mentioned in
• Original Siemens Service Unterlagen

• Author
• Model page created by Josef Pilz. See "Data change" for further contributors.

• Other Models

• Here you find 2521 models, 2118 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München