Pro3 deaf? Hardly likely! >From my User Review: http://www.ab4oj.com/icom/ic756pro3/pro3notes.html#tests MDS at 14.1 MHz (dBm) Preamp Off - SSB 2.4 kHz: -126 CW 500 Hz BPF: -131 Preamp 1 - SSB 2.4 kHz: -133 CW 500 Hz BPF: -139 Preamp 2 - SSB 2.4 kHz: -135.5 CW 500 Hz BPF: -142 Cheers for now, 73, Adam VA7OJ/AB4OJ