Many see "GE Super Radio" and put it on E-Bay simply because the radio carries the "Super Radio" label. I would guess that is why there are so many Super Radio model 3's on E-Bay. Those were made by RCA with a GE label printed on them but their performance is sub-par to the model 1 or 2.. GE/RCA Superadio 3 Manual. Re-typed in HTML format, remaining as faithful as possible to the original.. Repeat Steps 3 and 4: 5. 108.0 MHz: Tune to Signal: C13, C17: Adjust for maximum. 6. 88.1 MHz: Tune to Signal: L1, L2: Spread or compress coil windings slightly to obtain optimum. Set radio frequency to 98MHz and AFC switch to off.
There were a few other GE models which are said to be based on the Superadio design, at least one with a cassette deck built in and one with a digital front end (Model 7-2882A). Read the Digital Superadio Review:. There were also several Radio Shack SR III clones sold under the Optimus name but they were actually similar, not identical designs.. What made the Superadios so super? All three receivers in this series featured a 7 3/4" ferrite rod AM antenna for increased sensitivity, outstanding audio quality, and long battery life from the six D cells. The Superadio III took it up a notch by adding a broad-narrow bandwidth filter for AM, enabling high-fidelity reception of local stations.