The DX-390 is recognized for its hefty, professional build, measuring nearly 12 inches long and featuring a prominent 4-inch speaker. Its manual details a suite of advanced features for its era, including:
: Removing specific resistors (like the 102 surface mount resistor) to enhance LW/MW reception. radio shack dx-390 owners manual
The Radio Shack DX-390 (Catalog No. 20-214) is a high-performance, PLL synthesized world-band receiver manufactured by Sangean (as the ATS-818). It is highly regarded by hobbyists for its sensitive reception and the inclusion of a Beat Frequency Oscillator (BFO), which allows for listening to Single Sideband (SSB) transmissions from amateur radio operators. ⚙️ Core Specifications The DX-390 is recognized for its hefty, professional
: Operates on six 'D' cell batteries for portable use or an AC adapter for stationary listening. Advanced Tuning Modes : Features four ways to find stations: Direct keypad entry of the frequency. Manual rotary tuning knob. Auto-scan searching. Memory recall (stores up to 18 presets). SSB (Single Side Band) Reception Advanced Tuning Modes : Features four ways to