For more on mods to the DX-394, check out the 450 member Yahoo!Group at
http://groups.yahoo.com/group/RADIOSHACKDX394/ .

73, Tom VE3MEO

"Don" wrote in message
...
Replace C155, a 100 uf, with a 470 uf electrolytic capacitor.
This will enhance the lower audio frequencies. Of course you are
authorized to experiment for your own personal tastes. An
outboard amplifier and speakers may negate the need to do any
internal modifications!