Ground Control
Amaterasu
Preamp
Boost
Bright preamp boost with JFET frontend. Unity to 18dB gain, two brightness modes for presence or darkness.
The Amaterasu is a unity to 18dB amplifier circuit for players needing extra push. Very responsive to playing style. Use it to add presence to quieter pickups or kick your favorite overdrive further.
Two-position switch: bright mode allows higher frequencies through for clearer tone, second mode colors signal darker. JFET frontend and 20dB gain amplifier stage shared with the Tsukuyomi.
True bypass. 9VDC center-negative only. Made in Montreal, Canada.
Not a clone—original Ground Control Audio design.
Reverb
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