ASTERIA PREAMP DRIVE MK. III
4
PARTS LIST, CONT.
PART VALUE
TYPE
NOTES
C6
4n7
Film capacitor, 7.2 x 2.5mm
C7
22uF
Electrolytic capacitor, 5mm
C8
2.2uF
Film capacitor, 7.2 x 5mm
Can also substitute electrolytic (polarity marked on PCB)
C9
22n
Film capacitor, 7.2 x 2.5mm
C10
3n3
Film capacitor, 7.2 x 2.5mm
C11
100n
Film capacitor, 7.2 x 2.5mm
C12
2.2uF
Film capacitor, 7.2 x 5mm
Can also substitute electrolytic (polarity marked on PCB)
C13
47uF
Electrolytic capacitor, 5mm
Reference voltage filter capacitor.
C14
100uF
Electrolytic capacitor, 6.3mm
Power supply filter capacitor.
C15
100n
MLCC capacitor, X7R
Power supply filter capacitor.
D1
1N5817
Schottky diode, DO-41
Q1
MMBF4393
JFET, N-channel, SOT-23
Substitute for MPF4393 (TO-92). See build notes.
Q2
MMBF4393
JFET, N-channel, SOT-23
Substitute for MPF4393 (TO-92). See build notes.
Q3
MMBF4393
JFET, N-channel, SOT-23
Substitute for MPF4393 (TO-92). See build notes.
Q4
MMBF4393
JFET, N-channel, SOT-23
Substitute for MPF4393 (TO-92). See build notes.
Q5
MMBF4393
JFET, N-channel, SOT-23
Substitute for MPF4393 (TO-92). See build notes.
VOL.
1MA
16mm right-angle PCB mount pot
TONE
1MA
16mm right-angle PCB mount pot
PRES.
50kB
16mm right-angle PCB mount pot
MAST.
250kA
16mm right-angle PCB mount pot
HI/LO
DPDT on-on
Toggle switch, DPDT on-on
TR1
10k trimmer
Trimmer, 10%, 1/4"
See build notes.
TR2
10k trimmer
Trimmer, 10%, 1/4"
See build notes.
IN
1/4" stereo
1/4" phone jack, closed frame
Switchcraft 112BX or equivalent.
OUT
1/4" mono
1/4" phone jack, closed frame
Switchcraft 111X or equivalent.
DC
2.1mm
DC jack, 2.1mm panel mount
Mouser 163-4302-E or equivalent.
FSW
3PDT
Stomp switch, 3PDT
ENC
125B
Enclosure, die-cast aluminum
Can also use a Hammond 1590N1.
