- Country
- United States of America (USA)
- Manufacturer / Brand
- Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX
- Year
- 1961
- Category
- Morse-Equipment & TTY, RTTY, TDD etc.
- Radiomuseum.org ID
- 84159
Inserat in "CQ", Ausgabe 06/1961
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 8
- Semiconductors
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 105-125 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: T.O.Keyer HA-4 - Hallicrafters, The; Chicago,
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 7.5 x 2.5 x 5.875 inch / 191 x 64 x 149 mm
- Notes
- 10 diodes, electronic morse code keyer, forms perfect code characters and mark space ratios at any speed from 8 to 50 words per minute, includes built in tone generator and speaker, transistorized version of the HA-1.
- Net weight (2.2 lb = 1 kg)
- 3.5 lb (3 lb 8 oz) / 1.589 kg
- Price in first year of sale
- 60.00 $
- Source of data
- Radios by hallicrafters
- Author
- Model page created by a member from D. See "Data change" for further contributors.
- Other Models
-
Here you find 926 models, 476 with images and 526 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX