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THULCANDRA BOOST/OVERDRIVE

3

PARTS LIST

This parts list is also available in a spreadsheet format which can be imported directly into Mouser for 
easy parts ordering. Mouser doesn’t carry all the parts (most notably potentiometers) so the second tab 
lists all the non-Mouser parts as well as sources for each.

View parts list spreadsheet

 

→ 

PART VALUE

TYPE 

NOTES

R1

10k

Metal film resistor, 1/4W

R2

1M

Metal film resistor, 1/4W

R3

18k

Metal film resistor, 1/4W

R4

1k8

Metal film resistor, 1/4W

R5

470k

Metal film resistor, 1/4W

R6

18k

Metal film resistor, 1/4W

R7

1k2

Metal film resistor, 1/4W

R8

10k

Metal film resistor, 1/4W

R9

470k

Metal film resistor, 1/4W

R10

100k

Metal film resistor, 1/4W

R11

10k

Metal film resistor, 1/4W

R12

470R

Metal film resistor, 1/4W

R13

100k

Metal film resistor, 1/4W

R14

22k

Metal film resistor, 1/4W

R15

22k

Metal film resistor, 1/4W

RPD

2M2

Metal film resistor, 1/4W

Input pulldown resistor.

LEDR

4k7

Metal film resistor, 1/4W

LED current-limiting resistor. Adjust value to change LED brightness.

C1

470n

Film capacitor, 7.2 x 3mm

C2

150pF

MLCC capacitor, NP0/C0G

C3

100n

Film capacitor, 7.2 x 2.5mm

C4

4u7 bipolar

Electrolytic capacitor, 5mm

Can also use polarized (oriented according to silkscreen).

C5

1n5

Film capacitor, 7.2 x 2.5mm

C6

100n

Film capacitor, 7.2 x 2.5mm

C7

2n2

Film capacitor, 7.2 x 2.5mm

C8

56n

Film capacitor, 7.2 x 2.5mm

C9

56n

Film capacitor, 7.2 x 2.5mm

C10

10uF bipolar

Electrolytic capacitor, 5mm

Can also use polarized (oriented according to silkscreen).

C11

10uF bipolar

Electrolytic capacitor, 5mm

Can also use polarized (oriented according to silkscreen).

C12

100uF

Electrolytic capacitor, 6.3mm

Power supply filter capacitor.

C13

47uF

Electrolytic capacitor, 5mm

Reference voltage filter capacitor.

Summary of Contents for THULCANDRA

Page 1: ...T VERSION Xotic Soul Driven A mid gain overdrive with three different tone controls to fine tune the character Developed in collaboration with Allen Hinds as a signature effect Boost Overdrive 1 0 0 2...

Page 2: ...Bass knob varying the resistor in the R C filter to ground from the op amp clipping stage This has the effect of raising or lowering the bass cutoff frequency as well as changing the overall gain rati...

Page 3: ...tal film resistor 1 4W R14 22k Metal film resistor 1 4W R15 22k Metal film resistor 1 4W RPD 2M2 Metal film resistor 1 4W Input pulldown resistor LEDR 4k7 Metal film resistor 1 4W LED current limiting...

Page 4: ...088 is an equivalent IC1 LM833 Operational amplifier DIP8 IC1 S DIP 8 socket IC socket DIP 8 TREBLE 250kB 16mm right angle PCB mount pot BASS 25kB 16mm right angle PCB mount pot MID 10kC 16mm right an...

Page 5: ...1N914 18k 100n 1k8 GND 4u7 1n5 GND GND 100n 470k VB 2n2 18k 56n 10uF 100k 2N5088 VB VA 10k GND 10uF 470R 100k GND RPD D1 C12 1 2 3 GAIN 1 2 3 MIDBOOST 1 2 3 TREBLE VOLUME 1 2 3 1 2 3 BASS IN OUT C14 R...

Page 6: ...d frame jacks like the Switchcraft 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 availab...

Page 7: ...THULCANDRA BOOST OVERDRIVE 7 ENCLOSURE LAYOUT Enclosure is shown without jacks See next page for jack layout and wiring 125B...

Page 8: ...GRAM 125B IN V GND N C N C OUT PCB IN GND V V JACK GND JACK OUT IN GND GND PCB OUT Shown with optional 9V battery If battery is omitted both jacks can be mono rather than one being stereo Leave the fa...

Page 9: ...y as suggestions based on the experience and opinions of others Projects may be used for commercial endeavors in any quantity unless specifically noted No attribution is necessary though a link back i...

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