HobbyGaia - Collections - Sony IR-81 - The Radios are not measured to the palms !!! Extraordinary radio, 60's, made in Japan. It operates on Medium Wave with eight transistors and is powered by two 1.3V E-640 batteries for an output power of 60 to 100 mW. Great for collecting !!! - (Also see on this site this little Ross Diamond Micro 7TR radio, compare them and confirm because "It's a Sony" has become so famous: Another transistor and a circuit design without a tangle of wires !!!!

HobbyGaia - Collections - Sony IR-81 - Radios don't measure up!!! Extraordinary radio, 60's, made in Japan. It works in Medium Waves, with eight transistors and is powered with two E-640 1.3V batteries for an output power of 60 to 100 mW.  Great for collecting!!! - (See also on this site this small radio  Ross Diamond Micro 7TR ,  compare them and confirm why "It's a Sony" became so famous: Another transistor and a circuit design without a tangle of wires!!!

​

             GALLERY 1  #  GALLERY 2  #  GALLERY 3  #  GALLERY 4  #   GALLERY 5

​