|Year: 1981||Type: Communication/Commercial Receiver (also Amateur)|
|Semiconductors (the count is only for transistors)||Semiconductors present.|
|Principle||Superhet, double/triple conversion; ZF/IF 48050/5645 kHz|
|Wave bands||Broadcast, Long Wave and more than two Short Wave bands.|
|Power type and voltage||Line / Batteries (any type) / 100-240 / 24 Volt|
|Loudspeaker||Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)|
|from Radiomuseum.org||Model: RR-3 - Drake, R.L. Miamisburg, Ohio|
|Dimensions (WHD)||480 x 133 x 356 mm / 18.9 x 5.2 x 14 inch|
|Notes||Maritime communcations receiver, coverage 10 kHz - 30 MHz; AM, USB/LSB;
Commercial / maritime variant of the R-7A with internal speaker in rack.
|Net weight (2.2 lb = 1 kg)||8.6 kg / 18 lb 15.1 oz (18.943 lb)|
|Source of data||-- Original-techn. papers.|
Model page created by Martin Bösch. See "Data change" for further contributors.
All listed radios etc. from Drake, R.L. Miamisburg, Ohio
Here you find 146 models, 86 with images and 44 with schematics for wireless stes etc. French TSF for Télégraphie sans fil.