• Country
• United States of America (USA)

• Manufacturer / Brand
• Racal Communications Inc., Silver Springs MA

• Year
• 1977–1982

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 110837

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 120 / 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: RA-6778 - Racal Communications Inc.,

• Shape
• Rack

• Dimensions (WHD)
• 483 x 222 x 506 mm / 19 x 8.7 x 19.9 inch

• Notes
• Commercial communications receiver convering 15 - 30000 kHz, AM, USB/LSB, CW, FM;
  standard IF bandwidths 0.3 / 1 / 3.2 / 8 / 16 kHz, optional 32 or 50 memories.
  Variants: RA-6778A see above, RA-6778B one less RF amplifier, RA-6778C, different front panel, coverage 10 - 30000 kHz; RA-6778Q different receiver designed for remote control.

• Net weight (2.2 lb = 1 kg)
• 20.3 kg / 44 lb 11.4 oz (44.714 lb)

• Source of data
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Racal Communications Inc., Silver Springs MA