Aguilar Grape Phaser V1

GRAPE PHASER®
The Grape Phaser® provides lush, analog phase shifting courtesy of a
simple, two-knob layout. RATE controls the speed of the modulation
while COLOR feeds a portion of the signal back through the phase
shifting circuit, creating new and super funky bass sounds!
Features:
x All analog technology
x Gig-saver bypass (signal passes even if your battery dies)
x Powered by a nine-volt battery or optional universal power
supply
x Heavy duty steel construction