Ovation OP-PRO Studio Preamp Owner's Manual

This is the official Owner's Manual for the Ovation OP-PRO Studio preamp system, published by GEWA music GmbH of Adorf, Germany. The manual details all nine controls and features of the preamp including Gain, 3-band EQ (Low, Mid, High), Drive, Expressor, Tune button, Display, and Battery Low LED indicator. It also includes full technical specifications such as battery voltage, frequency response, EQ ranges, tuner accuracy, and signal-to-noise ratio.