• Country
• United States of America (USA)

• Manufacturer / Brand
• Scott; H.H.; Maynard, Massachusetts

• Year
• 1953 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 204655

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

• Number of Tubes
• 6

• Valves / Tubes
• 12AX7 12AX7 12AU7 6BA6 6BA6 6AL5 NE51

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Dynaural Equalizer-Preamplifier 121 - Scott; H.H.; Maynard,

• Shape
• Book-shelf unit.

• Notes
• Preamplifier, mono, with Dynaural noise suppressor.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 181 models, 164 with images and 74 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Scott; H.H.; Maynard, Massachusetts