Judah, try replacing the stock audio output cap with a 1,000uf one, as well as
replacing those thin speaker wires with thicker gauge wire. Should notice an
aural improvement! As for your DX-160, W4JBM has a list of mods on his DX-160
home page @
www.geocities.com/w4jbm/dx160.html WA6020SWL