Make connections and play!
Preparing to play
Be sure to turn off the power before making connections. Careless operation may damage your
speaker system or cause malfunctions.
1. Connect the included AC adapter to the DC 9V jack, and plug the adapter into an AC outlet.
As shown in the above diagram, hook the AC adapter cable around the adapter cable holder.
When removing the cable from the holder, do not use excessive force.
2. Connect one end of your audio cables to the Part output jacks of the EA-1 (PART1/MIX, PART2),
and connect the other end to your mixer. The output of the EA-1 is not stereo, but is independent
for each part, so you will need to make pan adjustments on your mixer. If you wish to mix the two
parts for output, connect your powered monitor speaker (amplified speaker) to the PART1/MIX
3. If you will be using headphones, connect them to the headphone jack. The headphone output is
The output from the Part output jacks will not be switched off even if headphones are plugged in.
Keyboard function key
* Alternates on/off each
time it is pressed
4. When you have finished making connections, turn on the power. Slightly raise the master volume
of the EA-1, and press the Keyboard function key. Press the step keys to produce sound and verify
that connections have been made correctly. Use the master volume of the EA-1 and the gain and
fader controls of your mixer or powered monitor system to adjust the volume to an appropriate