Wireless Headphone System K 311 IR

AKG Acoustics GmbH; Wien

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  • Year
  • 1997 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 292870
    • alternative name: AKG Akustische- ...München - siehe Austria
    • Brand: Akustische- und Kino-Geräte GmbH

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • FM Broadcast Band Only
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / NiCd AAA: 2×1,2 Volt
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Wireless Headphone System K 311 IR - AKG Acoustics GmbH; Wien
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes

  • FM: left 2,3/right channel 2,8 MHz.

    20-22000 Hz.

    Semi-open dynamic Headphones.

    Transmitter:

     T 311 IR, 12 V DC,  260 gr.

    Max range. 10 m.

  • Net weight (2.2 lb = 1 kg)
  • 0.230 kg / 0 lb 8.1 oz (0.507 lb)
  • Mentioned in
  • -- Original-techn. papers.

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