• Country
• United States of America (USA)

• Manufacturer / Brand
• dbx Inc.; Waltham (MA)

• Year
• 1975 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 277561

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Dynamic Range Expander 1BX - dbx Inc.; Waltham MA

• Shape
• Book-shelf unit.

• Notes

• One-band expander, stereo.

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

• Other Models

• Here you find 26 models, 25 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from dbx Inc.; Waltham (MA)