R RICHB555 Active member Dec 13, 2025 #1 Seasons Greetings! Thinking about the 410 Fuzz as a future build. For parts ordering purposes, what transistors go in Q1 & Q2? Thank you as always!
Seasons Greetings! Thinking about the 410 Fuzz as a future build. For parts ordering purposes, what transistors go in Q1 & Q2? Thank you as always!
Robert Reverse Engineer Dec 13, 2025 #2 BC550C Q1 hFE=543 at Ic=5.03mA Vbe=0.731V at Ib=1.00mA Vbe=0.798V at Ib=5.00mA VceSat=0.029V at Ic=5.0mA and Ib=1.00mA IcLeak=0.000mA Q2 hFE=566 at Ic=5.00mA Vbe=0.704V at Ib=1.00mA Vbe=0.776V at Ib=5.00mA VceSat=0.029V at Ic=5.0mA and Ib=1.00mA IcLeak=0.000mA
BC550C Q1 hFE=543 at Ic=5.03mA Vbe=0.731V at Ib=1.00mA Vbe=0.798V at Ib=5.00mA VceSat=0.029V at Ic=5.0mA and Ib=1.00mA IcLeak=0.000mA Q2 hFE=566 at Ic=5.00mA Vbe=0.704V at Ib=1.00mA Vbe=0.776V at Ib=5.00mA VceSat=0.029V at Ic=5.0mA and Ib=1.00mA IcLeak=0.000mA
R Roman_K New member Mar 25, 2026 #6 This fuzz also works great with 2n5089 (hfe = 600) and Soviet/Russian КТ3102ЕМ (hfe =550, 600, 700, 800). I couldn't hear any difference, love the sound
This fuzz also works great with 2n5089 (hfe = 600) and Soviet/Russian КТ3102ЕМ (hfe =550, 600, 700, 800). I couldn't hear any difference, love the sound
