ADA Amplification GCS-2 - Hook-Up Instructions; Input Connection; Power Adapter Requirements

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 ¼” phone jack INPUT with a direct, un-buffered PASS THROUGH ¼” phone
jack. This effectively splits the signal to feed both a guitar amplifier and a
mixing console
 Balanced Output with switchable LINE or MIC LEVEL Output and GROUND
LIFT for Pin 1
 Rugged all-steel chassis
 Manufactured in California
HOOK-UP
Do not plug your guitar directly into the GCS-2. The input impedance is not
optimized for a guitar pickup, but rather for low impedance signals up to line
level.
Do connect the output of an effects pedal (especially a distortion pedal), the
output of your pedal board or a guitar preamp output to the input of the GCS-2.
Use only 9VDC 75 ma to 200 ma adapter with a 2.1 mm power plug, center pin
negative.