RD Junior Stereo Control Unit

Rogers, Catford (see also Rogers Birmingham)

Data
Forum
Pictures
Collections

  • Year
  • 1958 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 360554

 Technical Specifications

  • Number of Tubes
  • 0
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: RD Junior Stereo Control Unit - Rogers, Catford see also
  • Shape
  • Chassis only or for «building in»
  • Notes

  • The RD Junior Stereo Control Unit, introduced in December 1958 for £18/10/-, was a compact and versatile audio control system designed to complement the RD Junior Stereo Amplifier. It offered several advanced features for its time, making it suitable for high-fidelity audio setups. Below is a technical description of its key components and functionality:

    Key Features
    Integrated Pre-Amplifier:

    • Incorporated a built-in pre-amplifier to enhance signal levels from various audio sources.
    • Provided Bass, Treble, and Volume controls, enabling users to adjust the tonal balance and loudness.

    Input Switches:

    • Equipped with switches for four input sources:
      • Pick-Up (for turntables)
      • Tape
      • Microphone
      • Tuner
    • This flexibility allowed users to connect multiple devices seamlessly.

    Variable High-Frequency Filter:

    • Featured a continuously adjustable filter ranging from 5 kHz to 20 kHz.
    • This functionality helped tailor the frequency response to reduce noise or enhance clarity.

    Dual Pick-Up Inputs:

    • Two separate pick-up inputs were located on the rear panel.
    • Included an independent volume adjustment for these inputs, providing additional control over input levels.

    Power Supply:

    • The unit derived its power via an octal plug when paired with the RD Junior Stereo Amplifier, ensuring efficient integration between the components.

    Design and Build

    • The control unit was encased in a steel housing, offering durability and shielding against interference.
    • It was designed to be used either as a standalone unit or integrated into a cabinet alongside other RD Junior components.

    Evolution

    The original RD Junior Stereo Control Unit was succeeded by improved models:

    1. Mk. II (1960): Introduced enhancements in functionality and compatibility.
    2. Mk. III (1961): Further refined features and performance, keeping pace with advancements in audio technology.

    The RD Junior Stereo Control Unit was a forward-thinking product for its era, combining robust build quality with user-friendly features tailored to audiophiles. Its modular design allowed it to work seamlessly with other RD Junior components, ensuring high-quality stereo sound reproduction.

  • Mentioned in
  • -- Original prospect or advert (The Gramophone Dec 1958, Page Ad 12.)

 Collections | Museums | Literature

 Forum