Replacement Knobs for the Si Impact
Written by Jose Liberio Cruz
Updated at January 13th, 2026
Question:
What are the part numbers of the knobs on the Si Impact console?
Answer:
The knob part numbers for the Si Impact are:
- Potentiometer knobs (gain, EQ, etc.): KA0448 - SIF ENCODER KNOB+CAP BLK
- Encoder knob: 5057820 - HDW,KNOB,12.7mm,D-SHFT,BLK
- Fader knobs: 5030452 - HDW,KNOB,FADER,MATT BLACK,2 SHOT