• Country
• United States of America (USA)

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

• Year
• 1977 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 187561

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: DBX II Dynamic Range Enhancer 124 - dbx Inc.; Waltham MA

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 280 x 96 x 260 mm / 11 x 3.8 x 10.2 inch

• Notes
• Tape noise reduction system with fixed compression and de-compression ratio (2:1). S/N 110dB; Z-in: 50K; V-in:300mV; Z-out: 0,47K; Freq-range: 30-20000Hz. This apparatus must be inserted between the amplifier and the recorder. Works with any recorder because the compression is linear in contrast to Dolby-NR or Dolby-B where the reproduction level must match the recording level. Can also decode DBX vinyl discs.
  Tape and disc S/N ratio of 100dB attainable. A DBX vinyl disc can sound as DDD CD. In contrast with the stereophonic DBX-122, this DBX-124 has 4 channels.

• Net weight (2.2 lb = 1 kg)
• 3.170 kg / 6 lb 15.7 oz (6.982 lb)

• Price in first year of sale
• 24,650.00 Bfr

• Author
• Model page created by Dirk Bladt. 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)