Wireless Headphone System K 311 IR
AKG Acoustics GmbH; Wien
- Country
- Austria
- Manufacturer / Brand
- AKG Acoustics GmbH; Wien
- Year
- 1997 ?
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 292870
-
- alternative name: AKG Akustische- ...München - siehe Austria
- Brand: Akustische- und Kino-Geräte GmbH
- 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.
- Other Models
-
Here you find 183 models, 173 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from AKG Acoustics GmbH; Wien