OP-24+
Preamp
Offering whisper-quiet audio circuitry with very low distortion, the OP-24+ features 3-band EQ with a bypass switch, a Mid-Shift control, a Pre-Shape circuit, and a battery status light.
Electronics
Great sound deserves a great preamp.
Your new Ovation guitar is equipped with the latest in a series of preamps that have provided musicians with leading-edge performance designed specifically to complement the unique character of Ovation guitars.
OP-30
Preamp
Rich, clear, and ultra-quiet, the OP-30 preamp raises the bar in its class.
OP-40
Preamp
Ovation’s OP-40 preamp leaves other electronics in the dust.
OP-4B
Preamp
The OP-4B preamp features 3-band EQ with +/-12 dB control over the bass, midrange, and treble frequencies, and a handy battery status light.