AMT
GR-4
Preamp
Four-channel guitar preamp covering clean, crunch, overdrive, and high-gain. Complete preamp in one pedal.
AMT Electronics was founded in Omsk, Siberia by musician and engineer Sergey Marichev. The GR-4 provides four preamp channels for comprehensive coverage.
From clean through crunch to high gain, four channels cover all territory. Versatile preamp solution for various playing styles.
Russian engineering providing comprehensive preamp at accessible pricing.
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