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MIDI CONTROLLER TUBE TECHNOLOGY Construction and functionality OP128 is a pedal which manages the change of program into MIDI device chains. Its use is particularly turned to guitar systems. Its robustness, thanks to the metallic chassis and to the piston push-buttons, is one of the best characteristics of OP128.
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MIDI SETUP unit from the power supply and then MIDI CH MODE turn on the unit again. After auto-check 1 2 3 4 5 control, OP128 will fix the current setup 0/127 1/128 in its memory. ch 1 ch 9...
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Power ( phantom connection ) OP128 power is supplied by an adaptor of 9vcc 300mA. The plug must be 2,5mm coaxial with the negative pole in the center. *Se If the power supply into the package is a “universal” type, please follow the instructions of the attachment very carefully.
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TUBE TECHNOLOGY MIDI cable The MIDI OUT plug of OP128 must be connected to MIDI IN of the device to be controlled through a MIDI cable (5 poles DIN): it is advisable to use specific and qualified cables for MIDI.