APOLLO PREAMP DRIVE MK. I
4
PARTS LIST, CONT.
PART VALUE
TYPE
NOTES
C9
10n
Film capacitor, 7.2 x 2.5mm
C10
10n
Film capacitor, 7.2 x 2.5mm
C11
470pF
MLCC capacitor, NP0/C0G
C12
100n
Film capacitor, 7.2 x 2.5mm
C13
100uF
Electrolytic capacitor, 6.3mm
C14
470n
Film capacitor, 7.2 x 3mm
C15
10uF
Electrolytic capacitor, 5mm
C16
2n2
Film capacitor, 7.2 x 2.5mm
C17
2n2
Film capacitor, 7.2 x 2.5mm
C18
47uF
Electrolytic capacitor, 5mm
C19
100uF
Electrolytic capacitor, 6.3mm
C20
100n
MLCC capacitor, X7R
D1
1N5817
Schottky diode, DO-41
Z1
1N4739A
Zener diode, 9V, DO-41
Z2
1N4739A
Zener diode, 9V, DO-41
Z3
1N4739A
Zener diode, 9V, DO-41
Q1
BS170
MOSFET, N-channel, TO-92
Q2
BS170
MOSFET, N-channel, TO-92
Q3
BS170
MOSFET, N-channel, TO-92
GAIN
500kA
16mm right-angle PCB mount pot
BASS
500kA
16mm right-angle PCB mount pot
TREBLE 500kB
16mm right-angle PCB mount pot
MSTR.
100kA
16mm right-angle PCB mount pot
FDBK.
250k 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.