KOA User Manual
- Overview
- Specifications
- Video/Review
-
The KOA Acoustic Preamp offers classic, natural acoustic
tone 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 operationKOA 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.
