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HellGazer II

Twin circuits to destroy your

delicate sensibilities

Contents of this document are ©2021 Pedal Parts Ltd.

No reproduction permitted without the express written

permission of Pedal Parts Ltd. All rights reserved.

Summary of Contents for HellGazer II

Page 1: ...II Twin circuits to destroy your delicate sensibilities Contents of this document are 2021 Pedal Parts Ltd No reproduction permitted without the express written permission of Pedal Parts Ltd All rights reserved ...

Page 2: ...wise stated in this document this circuit is designed to be powered with 9V DC COMPONENT SPECS Unless otherwise stated in this document Resistors should be 0 25W You can use those with higher ratings but check the physical size of them Electrolytics caps should be at least 25V for 9V circuits 35V for 18V circuits Again check physical size if using higher ratings LAYOUT CONVENTIONS Unless otherwise...

Page 3: ...ec D1 1N4001 Q1 3 MPSA18 Q4 2N2907 Q5 6 MPSA18 Q7 8 2N2222 SM GAIN 100KA SM VOL 100KA TP TX 500KA TP VOL 100KA SWITCHES ALL ON ON Only include R9 if you re including the gain switch in the TP circuit It gets a bit whacky if you go up to 100K 47K is not so mad These resistors are only required if you re including the order switcher and channel indicator LEDS D1 and D2 If not using the order switche...

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Page 5: ...tal tag off the pots so they can be mounted flush in the box You should solder all other board mounted components before you solder the pots Once they re in place you ll have no access to much of the board Make sure your pots all line up nicely Same goes for the toggle switches It s best to use the enclosure as a guide when placing the pots and switches to ensure they all sit correctly Order Switc...

Page 6: ...nd drive circuit Ripper If you re really strange you can reverse that order by connecting the centre pads to the upper pads instead Don t SODA CHAOS Remove the chaos option by jumpering pads above marked A SODA OCTAVE To keep it standard no octave jumpers B and C To have permanent octave up jumper D and E RIPPER GAIN To keep it standard use 10K in R9 leave out R16 jumper F above RIPPER NOISE To om...

Page 7: ... main PCB with wires or ribbon cables Ensure the pads correspond i e don t get the switch boards upside down Don t forget the current limiting resistors CLRs for the LEDs The fit vertically in the two pads marked CLR on the daughterboards same side as the footswitches ...

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Page 9: ...Ltd can accept no responsibility for incorrect drilling of enclosures FuzzDog co uk Drilling template Hammond 1590BB It s a good idea to drill the pot and toggle switch holes 1mm bigger if you re board mounting them Wiggle room good Recommended drill sizes Pots 7mm Jacks 10mm Footswitch 12mm DC Socket 12mm Toggle switches 6mm 20mm 20mm 10mm 26mm 60mm 11mm ...

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