The POSITIVE/NEGATIVE SLEW is exactly what it states in the name. It combines both the classic Serge Modular Positive Slew and Negative Slew into one single module giving you the best of both modules within a 3 column space.
This module requires 2 Uni-Polar LED Driver's if LED's are needed.
LED Assembly x 2
CA3086 IC's can be found HERE
Positive Slew - Adjust trimmer to read 400 Hz at max frequency.
Negative Slew - Adjust trimmer to read 200 Hz at max frequency.