ONKYO TX-8255. Total Harmonic Distortion (THD): 0.08 %, Impedance: 4 Ом, Dynamic range (1kHz): 90 dB. AM band range: 522 - 1611 kHz, FM band range: 87.5 - 108 MHz. Power consumption (typical): 180 W, Power consumption (standby): 0.3 W. Weight: 7500 g. Packaging width: 419 mm, Packaging depth: 560 mm, Packaging height: 250 mm