aion TRITON MK. III Manual Download Page 4

TRITON PREAMP DRIVE MK. III

4

PARTS LIST, CONT.

PART VALUE

TYPE 

NOTES

C7

(omit)

Formula 5F6:

 4.7uF electrolytic

C8

220pF

MLCC capacitor, NP0/C0G

C9

22n

Film capacitor, 7.2 x 2.5mm

C10

47pF

MLCC capacitor, NP0/C0G

Formula 5F6:

 100pF

C11

470pF

MLCC capacitor, NP0/C0G

Formula 5F6:

 (omit)

C12

470pF

MLCC capacitor, NP0/C0G

Formula 5F6:

 (omit)

C13

2.2uF

Film capacitor, 7.2 x 5mm

Formula 5F6:

 1uF 

Can also substitute electrolytic (polarity marked on PCB)

C14

680n

Film capacitor, 7.2 x 4.5mm

Formula 5F6:

 1uF 

DLS Red:

 1uF

C15

470pF

MLCC capacitor, NP0/C0G

Formula 5F6:

 220pF

C16

270pF

MLCC capacitor, NP0/C0G

Formula 5F6:

 220pF

C17

470pF

MLCC capacitor, NP0/C0G

C18

22n

Film capacitor, 7.2 x 2.5mm

C19

22n

Film capacitor, 7.2 x 2.5mm

C20

22n

Film capacitor, 7.2 x 2.5mm

C21

220n

Film capacitor, 7.2 x 2.5mm

C22

10n

Film capacitor, 7.2 x 2.5mm

C23

100uF

Electrolytic capacitor, 6.3mm

Power supply filter capacitor.

C24

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.

PRE.

1MA

16mm right-angle PCB mount pot

TREBLE 250kB

16mm right-angle PCB mount pot

MID

25kB

16mm right-angle PCB mount pot

BASS

1MA

16mm right-angle PCB mount pot

MAST.

250kB

16mm right-angle PCB mount pot

PRES.

10k trimmer

Trimmer, 10%, 1/4”

GAIN

DPDT on-on

Toggle switch, DPDT on-on

TONE

DPDT on-on

Toggle switch, DPDT on-on

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.

Summary of Contents for TRITON MK. III

Page 1: ...ike tone in a small box Overdrive Amp Emulation 1 0 1 2021 02 19 Actual size is 2 3 x 1 86 main board and 1 78 x 0 87 bypass board BUILD DIFFICULTY Intermediate This documentation is for the Mk III ve...

Page 2: ...onestack of the Super Lead Like several other Catalinbread pedals this circuit blurs the line between a preamp and an overdrive Like a true preamplifier it s very reactive to what comes before it so i...

Page 3: ...film resistor 1 4W Carbon comp in original measured value 560R Formula 5F6 1k8 DLS Red 1k R12 1k Metal film resistor 1 4W DLS Red 270R R13 1M Metal film resistor 1 4W R14 1M Metal film resistor 1 4W...

Page 4: ...citor 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 M...

Page 5: ...lows All surface mount JFETs use the same pinout so this configuration will fit any type that we re aware of However always check the datasheet if you re uncertain they re difficult to desolder if you...

Page 6: ...n 1k 2M2 2M2 MPF4393 VA GND 4k7 GND 1n GND 220n 10kB 10n VA GND OMIT IN OUT R1 D1 C23 PREAMP 1 2 3 MASTER 1 2 3 C24 C1 R2 R3 Q1 C3 C4 R5 Q2 R4 R6 R7 C9 C10 R9 Q3 R11 Q4 R12 C13 R13 R14 R22 R8 C5 C6 C8...

Page 7: ...itchcraft 111X Open frame jacks will not fit in layouts with 5 or more knobs due to the placement of the DC jack LED hole drill size assumes the use of a 5mm LED bezel available from several parts sup...

Page 8: ...TRITON PREAMP DRIVE MK III 8 ENCLOSURE LAYOUT Enclosure is shown without jacks See next page for jack layout and wiring 125B...

Page 9: ...TRITON PREAMP DRIVE MK III 9 WIRING DIAGRAM 125B IN V GND N C N C OUT PCB IN GND V V JACK GND JACK OUT IN GND GND PCB OUT...

Page 10: ...ions of others Projects may be used for commercial endeavors in any quantity unless specifically noted No attribution is necessary though a link back is always greatly appreciated The only usage restr...

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