L4 BASS PREAMP 9
PARTS LIST, CONT.
PART VALUE TYPE NOTES
Q2 2N5088 BJT transistor, NPN, TO-92
Q3 2N3904 BJT transistor, NPN, TO-92
Q4 2N3904 BJT transistor, NPN, TO-92
Q5 2N5457 JFET, N-channel, TO-92 Original uses PN4303, but 2N5457 will perform the same.
Q6 2N3906 BJT transistor, PNP, TO-92
Q7 MPSA13 Darlington transistor, NPN, TO-92
IC1 LF356N Operational amplifier, DIP8
IC1-S DIP-8 socket IC socket, DIP-8
IC2 RC4558P Operational amplifier, dual, DIP8
IC2-S DIP-8 socket Operational amplifier, dual, DIP8
IC3 RC4558P IC socket, DIP-8
IC3-S DIP-8 socket Operational amplifier, dual, DIP8
IC4 RC4558P IC socket, DIP-8
IC4-S DIP-8 socket Operational amplifier, dual, DIP8
IC5 RC4558P IC socket, DIP-8
IC5-S DIP-8 socket Operational amplifier, dual, DIP8
IC6 RC4558P IC socket, DIP-8
IC6-S DIP-8 socket Transconductance amplifier, dual, DIP16
IC7 RC4558P IC socket, DIP-16
IC7-S DIP-8 socket Operational amplifier, dual, DIP8
IC8 LM13700N IC socket, DIP-8 Can also use NE5517N.
IC8-S DIP-16 socket Inductor, 10uH
IC9 RC4558P Inductor, 10uH
IC9-S DIP-8 socket Inductor, 10uH
L1 10uH Inductor, 10uH
L2 10uH Inductor, 10uH
L3 10uH Inductor, 10uH
DC1 TEC 3-0923 DC-DC converter, +9V to +/-15V See page 11 for more DC converter options.
COMP. TRIM 20k trimmer Trimmer, 10%, 1/4" Bourns 3362P
DIST. TRIM 20k trimmer Trimmer, 10%, 1/4" Bourns 3362P
INPUT 4PDT slide Slide switch, 4PDT E-Switch EG4208
BASS 1 50kA 16mm right-angle PCB mount pot
MID 1 5kA 16mm right-angle PCB mount pot Original uses 2.5kA. See build notes.
TREBLE 1 50kA 16mm right-angle PCB mount pot
VOLUME 1 10kB 16mm right-angle PCB mount pot Original uses 2.5kA. See build notes.
BASS 2 25kB 16mm right-angle PCB mount pot
MID 2 25kB 16mm right-angle PCB mount pot
