Manufactured by Sony Corp., Tokyo. The Sony ICF-6800W took a special place in the hierarchy of world receivers from Sony, due to its receiving characteristics it would be more likely to hit the professional devices from the CRF series, in terms of technical design and pricing it belonged to the series of home shortwave receivers, also the type designation indicates this receiver category. After a first series, the ICF-6800W was revised especially with regard to its insufficient large signal behaviour and received narrower ZF filters, the high sensitivity was adapted to the signal strengths in Central Europe: Variations ICF-6800W ("white"): white lettering at the bottom edge of the casing; active preselector, slightly higher sensitivity, poorer dynamics, Murata filter CFT / CFU - class Technical specifications Principle: Double conversion, ZF AM 19.055 MHz and 455 kHz / FM 10.7 MHz Modes: A1 with BFO, SSB, AM (A3), FM (F3) Frequency range: FM, MW, 30 x KW (1.0 - 30.0 MHz) Frequency display: Digital display, 1 Hz Frequency memory: none Signal strength display: S-metre Signal processing: Options: RF-Gain, Preselector with sep. Scale Sensitivity: AM (A3) 1.3 - 2 μV, SSB 0.3 - 0.6 μV / selectivity: 3.1/7.8 kHz, 4.8/xx kHz (WA) or 4.5 kHz/ 9 kHz (W) (-6/-46 dB) power supply Network operation: 110, 220 V Battery operation: 6 x 1.5 V (UM-1) Dimensions: 453 x 184 x 227 mm, weight 6.1 kg.