Ovation OP-PRO STUDIO User manual

G U I
T A R
S
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
OP-PROSTUDIO
Owner‘s Manual

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.

3 EN | OP-PRO Studio
6. EXPRESSOR:
Simultaneously controls the mix of the exciter and sets the threshold of the compres-
sor/limiter. This silder allows the player to set the playing level where the compressor/
limiter circuit engages. Once set, when the player increases playing level above this
selected level, the output of the preamp output increases is only a fraction of the
playing level change. This feature allows the performer a greater dynamic playing
reange without negative effects on the performance mix or creating headroom issues
for mixers or amps. Once the threshold setting of this control is established, the Drive
control can be set to achieve the desired harmonic enhancement appropriate with the
established compressor/limiter setting.
7. TUNE:
Activates the built-in tuner function. Pressing this switch once mutes the output of
your guitar and turn on the automatic tuner referenced to A440Hz. If you need to
tune to some other reference, like an out-of-tune piano, tune one of your strings to
the corresponding note on the other instrument. While that note sustains on your
guitar, press the tune button a second time. Tuning is now referenced to the other
instrument. Simply tune the remaining strings as usual. To conserve battery power,
the tuner atuomatically deactivate after two minutes, returning to the default A440.
Holding down the tune button for about 2seconds will turn off the muting feature and
tuner at any time.
The tuner is fully functional without plugging in (battery must be installed).

4 EN | OP-PRO Studio
8. DISPLAY
When you play a note after pressing the tune button, the tunerdisplay window clearly
annunciates the following information.
TUNER ENABLED
The upper and lower segments alternately flash when the tuner is on and
no note is played.
NOTE IN TUNE
When the note played is in tune to the reference, the note nams is displayed
with a „diamond“ on the right.
NOTE FLAT
When the note is flat, the note nams is displayed with an arrow pointing up-
the direction to move the string‘s pitch.
NOTE SHARP
When the note is sharp, the note nams is displayed with a down arrow the
direction to move the string‘s pitch.
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5 EN | OP-PRO Studio
9. BATT. LOW :
The LED performs several function. First, when an appropriate plug is inserted into
the guitar‘s output jack, this LED will briefly glow red to indicate power-up. Second,
the LED will flash red when the battery is reaching the end of its useful life.
7 8 9
15
26 3 4

6 EN | OP-PRO Studio
Specifications
Battery Voltage 9VDC
Idle Current 16mA (approx. 25 hours battery life)
Tuner on 22mA (max)
Sleep Current 20 uA (approx. 2 years battery life)
Battery LED 6.8 V (turn on)
LED Flash Rate = 25/minute
Max. Input 16Vp-p @ 1KHz (Volume max / All controls flat)
Max. Output
(Unbalance)
9 Vp-p (47n Load / Volume max / All controls flat)
Max. Output
(Balance)
16 Vp-p (Phantom on)
T.H.D < 1% @ 1Vp-p input
S/N Ratio 80dB
Freq. Response 10Hz ~ 8KHz (-3.0dB)
Low EQ ± 8.5dB @ 80Hz
Mid EQ ± 13 dB @ 600 kHz
High EQ ± 13dB @ 14 kHz
Tuner Accuracy < ± 1 Cent
Tuner Auto - Off 2 minutes

GEWA music GmbH | Oelsnitzer Str. 58 | 08626 Adorf / Germany
A BRAND OF
G U I T A R S
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ovationguitarsofficial
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