Dolby Adapter DBA-10

Concord Electronics Corp.; California

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  • Year
  • 1974 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 358964

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 60 Hz, 117 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Dolby Adapter DBA-10 - Concord Electronics Corp.;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 7.25 x 3.5 x 3.5 inch / 184 x 89 x 89 mm
  • Notes

  • Concord DBA-10 Dolby Adapter

    The Concord DBA-10 Dolby Adapter is a sophisticated noise reduction system that employs Dolby B circuitry, designed to enhance the quality of analog audio recordings and playback.

    The DBA-10 is designed to be connected between audio components, such as a console and a tape deck, enhancing the performance of both tape decks and receivers. It features RCA input/output connectivity and channel A/B in/out switches for easy comparison between processed and unprocessed audio.

    With its compact design and user-friendly interface, the Concord DBA-10 is an excellent choice for audiophiles looking to improve their analog recording quality while effectively reducing unwanted noise. This version highlights the use of Dolby B technology.

    Key Features

    1. Noise Reduction System: Utilizes Dolby B technology, providing effective noise reduction primarily in the higher frequency ranges, helping to minimize background tape hiss.
    2. Individual Channel Controls: Equipped with individual input/output channel-level controls, allowing for precise calibration and adjustment from the front panel.
    3. Built-in Calibration Tone: Includes a built-in calibration tone signal for easy setup and optimization of recording levels.
    4. Twin DIN/Dolby NAB Meters: Features analog needle meters that provide visual feedback on audio levels during recording and playback.

    Technical Specifications

    • Frequency Response: 20 Hz to 20,000 Hz ±0.5 dB
    • Harmonic Distortion: 0.4%
    • Input Sensitivity: 30 mV
    • Output Level: 0.58 V (adjustable)
    • Noise Reduction Performance: Approximately 8 dB at 2000 Hz and 10 dB at 5000 Hz

    Manufactured in Japan

  • Price in first year of sale
  • 140.00 USD
  • Mentioned in
  • -- Original prospect or advert (Stereo Review Tape Buying Guide 1974, Page 107.)
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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