I checked with WSJT9/JT-65B running the spectraJT waterfall:
I have no Rx EQ set up.

TX EQ for SSB is -16, -16, -9, 0, 0,+3,+6,+6
With USB I have display 500-Hz to 2800-Hz
With DATA I have display for 900-Hz to 3400-Hz

with no TX EQ:
USB  displays 250-2800 Hz
DATA displays 250-3400 Hz

 From this it appears TX EQ affects the audio passband in DATA., as 
well as, SSB.

Cutting off the low freq below 900-Hz is a disadvantage for JT-65.


73, Ed - KL7UW, WD2XSH/45
======================================
BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
EME: 50-1.1kw?, 144-1.4kw, 432-100w, 1296-60w, 3400-?
DUBUS Magazine USA Rep [email protected]
======================================

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