[Elecraft] K3 hearing twotones on CW using narrow DSP settings

[Gary Nichols]

This has been brought up before but I never noticed it before.  If I set 450
hz CW tone and tune in good CW (W1AW broadcast)  the 450 hz tone is perfect
with DSP bandwidths of 150 hz or greater BUT when going to 100 or 50 hz
bandwidth I can hear two tones.450 and 400hz at the same time.  At 150 hz BW
the 450 is the only one I hear.  This "phantom tone" or additional tone 50
hz lower happens when set to 400 or 350 hz note also.  Am I the only one
seeing this?

K3 716, FW 2.02

 

Thanks, de gary, kd9sv