• Country
• United States of America (USA)

• Manufacturer / Brand
• Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX

• Year
• 1969

• Category
• Morse-Equipment & TTY, RTTY, TDD etc.

• Radiomuseum.org ID
• 84149

• Number of Tubes
• 4

• Valves / Tubes
• 12AU7A 12AU7A 12AU7A 12AU7A 0A2 0B2

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Metal case

• from Radiomuseum.org
• Model: T.O. Keyer HA-1A - Hallicrafters, The; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 7 x 5.6 x 7.8 inch / 178 x 142 x 198 mm

• Notes
• Electronic morse code keyer, forms perfect code characters and mark space ratios at any speed from 10 to 65 words per minute, include built in tone generator and speaker, same unit as the HA-1 with some value changes in some of the components.

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Price in first year of sale
• 119.00 $

• 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