Sony STR-230A in top condition Manufacturer/brand: Sony Corporation; Tokyo Year: 1972 Category: Broadcast Receiver - of after WW2 Tuner Semiconductors (the count is only for transistors) Semiconductors present. Most important principle Super-Heterodyne (Super in general); ZF / IF 10700/455 kHz Wave bands: Broadcast (BC) and FM or UHF. Details Power type and voltage AC power supply (AC) / 220 Volts from Radiomuseum.org Model: STR-230A - Sony Corporation; Tokyo Material Wooden box Dimensions (WHD) 16 x 4 x 12 inch / 406 x 102 x 305 mm Net weight: 5 kg