This dual delay unit offers two independent delay
channels—Red and Yellow—each with its own set of
controls, so you can have completely different delay settings
for each channel. When powered up, two yellow
LEDs flash back and forth above the logo, indicating
the speed of the current delay setting. The left footswitch
toggles between the two delay channels, and the
right switch turns the delay on and off. Maximum delay
time is listed as 600 ms, though I got readings of 640
ms on the display of the AMAZE0 controller (Analog.
Man’s Mike Piero says the max time is typically closer
to 650 ms). Either way, it’s enough for most applications
that don’t require long delays.
On the back are four ¼" jacks: audio input and output,
an expression pedal in that doubles as an input for the
AMAZE0 control pedal, and an effects loop jack. None
of these jacks are labeled (a slight annoyance), and it’s
also hard to read the low-contrast knob names on the
face of the pedal.
The expression pedal jack lets you connect a pedal
(such as the Boss EV-4 or EV-5), which can be used
to remotely control the delay time of the Red channel.
The effects loop jack accepts a stereo Y cable,
and is active on whichever channel is selected when
the delay is on. You can also get a 100 percent wet
sound from the effects loop jack using a specially
wired Y-cable (ring on the pedal side connected to
the tip of the output cable). If you make or order
such a cable, you can then use the pedal with a parallel
To unlock even more features, connect a ¼" TRS
stereo cable (not included) into one of the jacks on
the AMAZE0 controller. This cable sends control data
between the pedal and the AMAZE0. Now,
as long as you’re on the Red channel, you
can access tap tempo and also control the
ARDX20’s modulation effects, which are
designed to add tape delay-style warble,
from the controller.
The AMAZE0 doesn’t take a battery, but
still requires 9-volts, so you’ll need a second
(optional) adapter for it. Alternately, you
could power the AMAZE0 with an adapter
and the ARDX20 with a battery. According
to Analog.Man, the ARDX20 draws very
little juice, and battery life is estimated at a
whopping 30 hours.
The Analog Man ARDX20 is a dual delay pedal that has many additional capabilities when connected to the AMAZE0 controller pedal.
The combination of ARDX20 and AMAZE0 gives you a delay
rig that’s comprehensive and sounds great. My main concern
with this setup is the number of cables necessary to run it (one
or two power supplies, and stereo cable to connect controller,
audio input, and output), which makes hooking it up a bit of a
spaghetti fest. However, if you just need analog delay and don’t
care about modulation effects or tap tempo, you’ll be happy with
the ARDX20 on its own.
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