BOSS NF-1 Noise Gate

Nf1 noise gate 2135c58deba2

ICs, transistors and diodes used in the Boss NF-1 Noise Gate pedal: IC1: uPC741C (operational amplifier IC) D1: RD11EB (11V Zener diode) D3, D3: RD4.7EB (4.7V Zener diode) D4-D8: 1S1588 or 1S2473 (switching diodes) Q1, Q2: 2SC732TM-GR (NPN silicon transistors) Q3: 2SK30A-Y (N-channel JFET transistors) Q4-Q9: 2SC1815-Y (NPN silicon transistors) Adjustment procedure: 1) Set the … Read more