2 EN | OP-PRO Studio
OP-PRO Studio preamp
The OP-PRO Studio 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, exciter and compressor/limiter circuitry, and a chromatic tuner.
Ovation‘s exclusive Expressor and Drive sliders put dynamic control and harmonic
enhancement at your fingertips,allowing you to dial in the precise amount of sustain
and punch required by the music.
How the OP-Pro Studio Works:
1. GAIN:
Adjusts the overall output level of the preamp. Turning clockwise increases sound
level; counter-clockwise decreases level.
2. LOW EQ:
Boosts or cuts the low frequency elements of the guitar‘s sound. If moved above the
center position the amount of bass, or low frequency power, is increased. Below the
center, these sound are reduced. In the center detent position, the preamp does not
affect these frequencies.
3. MID EQ:
Boosts or cuts the middle frequency elements of the guitar‘s sound. If moved above
the center position the amount of mid frequency power is increased. Below the
center, these sound are reduced. In the center detent position, the preamp does not
affect these frequencies.
4. HIGH EQ:
Boosts or cuts the high frequency elements of the guitar‘s sound. If moved above the
center position the amount of treble, or high frequency power, is increased. Below the
center, these sound ore reduced. In the center detent position, the preamp does not
affect these frequencies.
5. DRIVE:
Increases or decreases the depth of harmonic enhancement from the exciter circuit.
Turning this control clockwise increases the harmonic content of the sound in the ran-
ge of open string fundamental frequencies as well as the guitar top frequencies. This
provides a richness to chording and a woody timbre to upper register solo performan-
ce. This control is used in conjunction with the „Expressor“ slider (see below) which
regulates the amount of the harmonic content mixed with the piezo signal.
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