Page 1
ECHO RATE
Delay time for active tape heads
Clockwise for shorter echos
HEAD SELECT
Cycles through
tape head combinations,
LEDs indicate active heads
FEEDBACK
Echo repeats
Self-oscillation at higher settings
ECHO VOL
Tape echo level
100% wet at max
[
ALT] SELECT
Activates the [alternate] tape
age, bass, and treble controls
INPUT VOL [TAPE AGE
Tape recording level
[
ALT] Tape wear, wow & flutter
ON LED
Lit when effects are active
ON SWITCH*
Toggles echo and reverb on/off
*Get more footswitch and bypass modes with the UAFX Control mobile app
MONO IN
Connect TS cable from guitar or
other gear for mono operation
STEREO IN
Connect TS cable for stereo only
(in addition to MONO input)
USB TYPE-C
Connect to computer for
firmware updates with the
UA Connect desktop app
DWELL [BASS
]
Drive into reverb tank
]
[ALT] Echo bass, flat at noon
REVERB VOL [TREBLE
]
Reverb level
[ALT] Echo treble, flat at noon
TAP LED*
Blinks with tempo
TAP | HOLD*
Sets echo tempo
Hold for performance FX
Head 1 Dotted 16th note
Head 2 Dotted 8th note
Head 3 Quarter note
9VDC POWER IN
Connect 400 mA isolated power
supply (sold separately)
1/MONO
9VDC
1/MONO
MONO OUT
Connect TS cable to amp or
IN
USB
2/STEREO 2/STEREO
PAIR
other gear for mono operation
PAIR
Press to activate
Bluetooth discovery
STEREO OUT
Connect TS cable for stereo only
(in addition to MONO output)
Power Supply Isolated 9VDC, center-negative, 400 mA minimum,
2.1x5.5 mm barrel connector (sold separately)
Get More Find more features, firmware updates, and
complete docs at uaudio.com/uafx/start
Page 2
Get More Features!
Scan here, or go to
uaudio.com/uafx/start
for additional footswitch
and bypass modes.
Loading...