• Country
• United States of America (USA)

• Manufacturer / Brand
• McKay Dymek Company; Claremont (CA)

• Year
• 1980 ??

• Category
• Antenna (Aerial) or Coupler

• Radiomuseum.org ID
• 209027

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Amplified Loop Base System DA 9 - McKay Dymek Company;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 350 x 230 x 280 mm / 13.8 x 9.1 x 11 inch

• Notes
• This type describes the McKay Dymek DA 9, shielded AM ferrite rod directional AM antenna with frequency and sensitivity controls (the four digit type suffixes are the serial number!);
  
  Set consists of the base unit DA 9 with controls, and on top dockable
  
  DW 1 non-directional vertical antenna rod for SW, tunable .20 to 30 MHz
  
  and various directional antenna elements:
  
  DL1 for ELF - Extremely Long Waves: 18 - 55 kHz,
  DL2 for VLF - Very Long Waves: 50 - 150 kHz,
  DL3 for LF - Long Wave Loop: 150 - 530 kHz with narrow/wide switch,
  & DL4 for MF - Medium Waves: 530 - 1,900 kHz,
  
  20 dB gain at ~50 - 2,000 kHz, BNC terminals, 4 W power consumption, made in USA.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 16 models, 13 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McKay Dymek Company; Claremont (CA)