|Year: 1977–1982||Type: Commercial Receiver (may include amateur bands)|
|Semiconductors (the count is only for transistors)||Semiconductors present.|
|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)|
|from Radiomuseum.org||Model: RA-6778 - Racal Communications Inc.,|
|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; Fred Osterman, N8EKU|
Model page created by Martin Bösch. See "Data change" for further contributors.
All listed radios etc. from Racal Communications Inc., Silver Springs MA
Here you find 11 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.