FuzzDog Quack Machine Quick Start Manual Download Page 2

Page: 2 / 6

10K

47K

10K

2.2M*

100R

47R

47K

R10

47K

R11

22K

R12

470K

R13

470K

R14

470K

R15

47K

R16

47K

47n

4n7

47n

10n

10u

C10

10u

D1,2

Red 3mm LED

1N4148

2N5457

2N3904

TL072

RANGE

20/25KB**

SENS

100KB

Sch BOM

*In most cases R6 will be good for the gain setting. If you

prefer you can use a smaller value and add a trimmer in the

GAIN spot to adjust to taste.

**Range can be an internal trimmer or external pot.

If you like to fiddle, use a pot. If you like set and forget you

know what to do.

Summary of Contents for Quack Machine

Page 1: ...Quack Machine Dr Quack Auto Envelope Filter Contents of this document are 2018 Pedal Parts Ltd No reproduction permitted without the express written permission of Pedal Parts Ltd All rights reserved ...

Page 2: ...10u C10 10u D1 2 Red 3mm LED D3 1N4148 Q1 2N5457 Q2 2N3904 IC TL072 RANGE 20 25KB SENS 100KB Schematic BOM In most cases R6 will be good for the gain setting If you prefer you can use a smaller value and add a trimmer in the GAIN spot to adjust to taste Range can be an internal trimmer or external pot If you like to fiddle use a pot If you like set and forget you know what to do ...

Page 3: ...ive anode legs of the electrolytic caps go to the square pads Negative cathode legs of the diodes go to the square pads Snap the small metal tag off the pots so they can be mounted flush in the box Solder the pots last as once they re in place you ll have no access to the pads beneath them The best way to get the pots lined up is to first solder one pin of each Once they re tacked in place adjust ...

Page 4: ... ve probably made a mistake with the switch Solder some nice long lengths of wire to the board connections for 9V GND IN and OUT Connect IN and OUT to the jacks as shown Connect all the GNDs together twist them up and add a small amount of solder to tack it Connect the battery lead to the 9V wire same method Plug in Go If it works crack on and do your switch wiring If not aw man At least you know ...

Page 5: ...uple of wires from the DC connector one to the board another to the IN jack then daisy chain that over to the OUT jack It doesn t matter how they all connect as long as they do This circuit is standard Negative GND Your power supply should be Tip Negative Sleeve Positive That s the same as your standard pedals Boss etc and you can safely daisy chain your supply to this pedal L E D BOARD OUT BOARD ...

Page 6: ...r own risk Pedal Parts Ltd can accept no responsibility for incorrect drilling of enclosures FuzzDog co uk Drilling template Hammond 1590B 60 x 111 x 31mm An extra mm on the drill size for the pots and switch will make life easier Recommended drill sizes Pots 7mm Jacks 10mm Footswitch 12mm DC Socket 12mm Toggle switch 6mm 32mm 21mm ...

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