[R-390] R390 vs R390A audio

[jgedde at optonline.net]

I ordered up another Hammond 600 ohm to 4/8 ohm transformer so I can run my
R390A and my R390 at the same time.  It arrived yesterday and I hooked it up
to the R390A.  Both radios are driving identical speakers (rear surround
speakers borrowed from my home theater).  Despite the fact that the R390A
has audio mods and a 6AQ5 output stage, the R390 sounds much better!  I
thought the R390A sounded good before I got the R390, but I'm spoiled now.
I love the R390A but the audio just can't hold a candle to the R390...  As
far as selectivity, the R390A wins hands down but the audio of the R390 is
just so much smoother and less harsh..  The R390 has a stock AF stage except
for bring it up to the latest MOD in the TM.

 

John