The Rat ProCo Distortion Pedal RT-055476 made in USA vintage 1980 original lm300

1987 ProCo RAT 2 Distortion Effects Pedal Vintage Blackface LM308 IC Original

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'86 Pro Co RAT Pedal Vintage Original LM308N Distortion Fuzz Effects Pedal Box

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Vintage ProCo Rat 1980’s Distortion Effects Pedal USA

1986 Proco Rat Flat Box Vintage Distortion Effect Pedal LM308 Chip