Audio Database Aurex FM-01 9,800 yen(around the 1983 time) Description �@ A high sensitivity design FM indoor antenna with a built-in booster which enables clear FM reception. Handling serves as all the easy directive alignment types. Rating of a mode Form FM antenna Form Alignment interior-of-a-room type Actual gain Boost: +3dB Direct: -13dB Frequency response 76MHz - 90MHz Standing-wave ratio Two or less Impedance 75ohms Directional characteristics All the directivity Practical use range Short-distance strong electric-field area Power source 3V (single 1x2), with an external direct-current terminal Dimensions Width 170x height 166x depth of 170mm Weight About 0.7kg (battery included)