Sound Level Indicator 1408E

Dawe Instruments Ltd.; Brentford, Middlesex

  • Year
  • 1964 ??
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 338643

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Sound Level Indicator 1408E - Dawe Instruments Ltd.;
  • Dimensions (WHD)
  • 3 x 6 x 2.25 inch / 76 x 152 x 57 mm
  • Notes
  • The Dawe type 1408E is a pocket-sized sound level indicator, working completely with transistors and powered by a 9V battery for approxiamately 70 hours of operation.

    It covers the sound level range of 40-120 dB in six overlapping ranges and employs a built-in moving coil microphone.

    See also Model 1408D.

  • Net weight (2.2 lb = 1 kg)
  • 0 lb 14 oz (0.875 lb) / 0.397 kg
  • Mentioned in
  • Electronic Engineering, volume 36, January 1964
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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