OP-Pro

Preamp

OP-Pro

Preamp

Designed in collaboration with jazz guitarist Al Di Meola and acoustic rocker Melissa Etheridge, the OP-Pro combines state-of-the-art audio quality with exclusive features designed to meet the needs of professional guitarists. The easy-to-operate unit offers 3-band EQ, a preset tone enhancement circuit, a battery status light, and a chromatic tuner. The OP-Pro will please even the most discriminating player.

How the OP-Pro works:

  1. GAIN: Adjusts the overall output level of the preamp.
  2. LOW EQ: Boosts or cuts the low frequency elements of the guitar's sound.
  3. MID EQ: Boosts or cuts the middle frequency elements of the guitar's sound.
  4. HIGH EQ: Boosts or cuts the high frequency elements of the guitar's sound.
  5. PRE-EQ: Selects or bypasses a preset tone enhancement ciruit.
  6. TUNE: Activates the built-in tuner function.
  7. TUNER DISPLAY: When you play a note after pressing the Tune button, the Tuner Display Window displays the following information with symbols: Tuner Enabled, Note in Tune, Note Flat, Note Sharp.
  8. BATTERY PHANTOM: The bi-color LED performs several functions. (1) To indicate power up (2) To indicate low battery and (3) To indicate phantom power for models equipped with an XLR output jack.