BACK PANEL
USB Input
The USB connection supports Class
Compliant MIDI Drivers to use with MIDI
Sequencer applications.
AC Adapter Input
Connection for the optional AC power adapter.
Sustain Pedal Input
The sustain pedal for Allegro III will function
in a similar method as an acoustic piano
sustain pedal. (It will also function as a Mod FX
expression pedal for organ sounds.) Using this
pedal will allow the piano key sounds to decay
slowly. A piano-style pedal may optionally be
used. The jack will auto-detect the polarity of
the sustain pedal: Plug in the pedal and then
turn on the Allegro III. It will auto-sense the
correct polarity as it starts up.
Headphone
The headphone socket disconnects the
speakers when headphones are connected.
Stereo/ Mono Line Out ¼” Jacks
The output jacks supply a line-level signal for
external amplication. Use both jacks for stereo
or just the Left jack for mono.
Aux In
The stereo 1/8” aux input sends that signal to
the headphones, line outputs, and speakers.
When interacting with an app, plug an aux cable
from the headphone jack of your device to the
Aux Input. This allows all of the audio to play
back from the same place.
BOTTOM PANEL
The product can be powered via an AC power adapter or battery. If batteries are inserted while
the unit is powered from a power supply, no power will be drawn from the batteries. The Allegro III
requires 6 D cell batteries for operation.
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