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The MIDI messages can be on different MIDI channels or
feature varying types of messages. For example, you can use a
control change message on one MIDI channel for a selected
amplifier and a program change message on a different MIDI
channel for the other amplifier. The switcher supports program
changes, control changes, and note on/off messages, and it
ignores velocity values.
When programming over a previously programmed preset,
the device automatically overwrites the new MIDI data and
deletes the previous ones. There is only one MIDI message for a
given selected amplifier.
To delete all saved MIDI messages from the internal memory,
press and hold the footswitch, and then power on the switcher.
Wait a few seconds until the MIDI Learn LED stops flashing, and
release the footswitch.
To control multiple guitar effects with a single button press on
your MIDI controller, send all MIDI messages sequentially,
starting with the one directed to the Two Amps To Cabinet
switcher. It will detect and store only the first message.
Amplifier and Cabinet Impedance Tips
When using two amplifiers with one cabinet, set the output
impedance of your amplifiers to match the impedance of the
cabinet. For a setup with one amplifier and two cabinets, try to
use cabinets with the same speaker impedance that matches
the amplifier's impedance. You can use cabinets with different
impedances, but make sure the impedance ratio between the
amplifier and the cabinet is one impedance step. For example, 4
Ohm and 8 Ohm or 8 Ohm and 16 Ohm. A good practice when
dealing with impedance mismatch is to set the output
impedance of the amplifier at 8 Ohm. When dealing with an
impedance mismatch, it's recommended to keep the maximum
master volume control set 20-30% lower than its maximum.
Avoid pushing your amplifier to its limits.
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