• Country
• Japan

• Manufacturer / Brand
• Dentsu Seiki Co., Ltd. - Zama

• Year
• 1966 ?

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

• Radiomuseum.org ID
• 175642

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

• Number of Transistors
• 7

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 220 / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Electronic Keyer DA-1 - Dentsu Seiki Co., Ltd. - Zama

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 230 x 60 x 175 mm / 9.1 x 2.4 x 6.9 inch

• Notes
• Dentsu Seiki Automatic Key DA-1.
  Fully automatic, semi-automatic keying and closing are possible with a changer. It operated either on AC 220 V or DC 12 V. The capacity of the contact is 15 A. The signal speed can be adjusted between 350 to 800 dots or between 165 to 330 dashes. The speed can be varied on a continuous basis in conjunction with the communication speed change-over switch.

• Net weight (2.2 lb = 1 kg)
• 2.1 kg / 4 lb 10 oz (4.626 lb)

• Literature/Schematics (1)
• Katalog Hannes Bauer, 1966

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dentsu Seiki Co., Ltd. - Zama