KOA User Manual
Overview
Specifications
Video/Review
The KOA Acoustic Preamp offers classic, natural acoustictone with unprecedented tonal control and extended headroom. The KOA begins with a boutique flat response then we add extensive tone control allowing you to carve out your signature sound. Harmonic content increases as you turn up the INPUT GAIN control, producing the rich harmonics you desire from your preamp. Lightweight, compact design, bullet-proof construction and a list of indispensable features assure the KOA will be the heart of your tone for years to come.
KOA FEATURES:
» Preamp GAIN and master VOLUME controls» BLEND control adjusts the EQ/dry mix» Mid sweep semi-parametric EQ» COMPRESSOR: Threshold and Strength controls» Effects Loop» True Bypass» Switchable MUTE» DIRECT OUT balanced XLR and 1/4-inch» Switchable Ground Lift for AC ground isolation» THRU/TUNER output jack independent of MUTE switch» -10dB attenuation switch» Solid metal shaft controls with threaded metal bushings mounted to top panel» 9V Power supply included. 90-230VAC, 50-60Hz» Battery compartment for 9V battery operation
KOA SPECIFICATIONS:
» Frequency Response: 25Hz-18kHz» Input Gain: 13dB» Input Impedance: 2.2M» Maximum Input: -6dB» Maximum Output: MAIN +6dB, EFF SND/RTN +4dB THRU/TUNER -6dB» Tone controls: +/-10dB BASS (25Hz-100Hz), MID (semi parametric sweep 100Hz-2.5kHz), TREBLE (3kHz-18kHz)» Power requirement: 9VDC/50mA. Polarity: Center Negative Plug» 9V Power supply included. 90-230VAC, 50-60Hz» Dimensions: 6”W x 5.5”D x 2.5” H Wt. 2 lbs.
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