FABIO FETboy
JFET PREAM BOM (Scott Hampton Design)

Designator Part 

BIAS 100K 
BIAS2 100K 

C1 470u25 
C1b 220nF 
C2 10uPOLY 
C3 470u25 
C3b 220nF 
C4 10uPOLY 
CC 800pF 
CPP1 470u63 
CS1 470u35 
CS2 470u35 

DCIN 4 Way PCB Mount Terminal 
HIZ "1/4"" PCB Mount Socket" 
MIC_IN 3 Way PCB Mount Terminal
MIC_OUT 3 Way PCB Mount Terminal 

Q1 2N5457 
Q2 BC550A or BD139 
Q3 BC550A or BD139 
Q4 BD135 or BD139 
Q5 2N5457 
Q6 BC550A or BD139 
Q7 BC550A or BD139 Q8 BD135 or BD139 

R1 15K 
R2 47R 
R3 1K82 
R4 *47K (Don't use if BIAS is used) R5 1
00R R6 15K 
R7 47R 
R8 1K82 
R9 *47K (Don't use if BIAS is used) 
R10 100R 
RC 22k 
RIN 10M 
RL 27k/50k/100k 
Ro 50R 
RPD1 470R 
RPD2 470R 
RPD3 100R 
RPP1 6K81/.1% 
RPP2 6K81/.1% 
RPP3 470R 
RS1 33R 
RS2 33R 

SW_48V SPST Switch 
SW_PAD DPDT Switch
TX_IN2 OEP A262A3E
VOLUME 10K LOG Pot