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Big Fluff Pie
Everyone loves a
big chunk of fluff
Contents of this document are ©2018 Pedal Parts Ltd.
No reproduction permitted without the express written
permission of Pedal Parts Ltd. All rights reserved.

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Summary of Contents for FuzzDog Big Fluff Pie

  • Page 1 Big Fluff Pie Everyone loves a big chunk of fluff 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: Important Notes

    Important notes If you’re using any of our footswitch daughterboards, DOWNLOAD THE DAUGHTERBOARD DOCUMENT • Download and read the appropriate build document for the daughterboard as well as this one BEFORE you start. • DO NOT solder the supplied Current Limiting Resistor (CLR) to the main circuit board even if there is a place for it.
  • Page 3 Schematic Some of the components shown are not in standard Big Fluff builds. SW1, D3 and D6 are only used if you want altertive clipping selection. If you aren’t including this place a jumper in either spot shown in BLUE below.
  • Page 4 FuzzDog Direct Connection - NO THANKS! format, so can be paired with the The Big Fluff Pie has a distinctive scooped appropriate daughterboard for quick and mid-range. In most cases this can be easy offboard wiring. Check the separate flattened out if desired.
  • Page 5 Notes CLIPPING SELECTION SWITCH ALTERNATIVE TONE SECTION There are two sets of pads to select extra We’ve incorporated parts so you can easily clipping diodes if you want some variation in modify the tone stack and add a mids your pedal. SW1 (vertical) is placed to sit control.
  • Page 6 Green Black Civil War 73#18 Violet 3rd (70s) Russian Russian Russian Triangle Ram Head Ram Head Reissue 100K 100K 100K 100K 100K 100K 100K 100K 470K 470K 470K 470K 470K 470K 470K 510K 100R 390R 390R 390R 150R 100R 100R 100R 820R 560R...
  • Page 7 V3 79#2 - J Mascis 100K Based on what is supposedly one of J Mascis’ favourite Fluffs. 470K The original has true tone bypass, but why would you want that? 100R MPSA18 MPSA18 100K MPSA18 470K MPSA18 470p 100R 1N4148 1N4148 100R 470p...
  • Page 8 Csnd Supa Tonebender 100K ‘73 UK interpretation. The first clipping stage is removed which 470K changes the sound to a mix of Tonebender-meets-Fluff. Heavy! 100R Transistor pinout is reversed so flip them. There was an extra cap between the third gain stage and the tone section, but it’ll sound 820R just the same without it.
  • Page 9 Hooowwf (+Cloven variation) 100K Nice example of slight modifications to a BFP making a BIG difference to the 470K tone. The germanium cans and LED clipping make this a crunchier, grittier 100R experience - worth checking out even if you already have a BFP. Experiment with NPN Ge cans in Q3-4.
  • Page 10 B&M Champion Fuzz Unit Another vintage British interpretation, pretty much identical to the Jumbo Tonebender. BC184C may be hard to come by, so try others. Looking for around 600hFE in Q1 and Q2, 150hFE in Q3. 100K BC184C 470K BC184C 100R BC184C 100n...
  • Page 11 Test the board! BATTERY 9V GND Your nice, new circuit board INCLUDING WIRED POTS!!!! UNDER NO CIRCUMSTANCES will troubleshooting help be offered if you have skipped this stage. No exceptions. Once you’ve finished the circuit it makes sense to test is before starting on the switch and LED wiring.
  • Page 12 Wire it up (if using a daughterboard please refer to the relevant document) BOARD BOARD INPUT BOARD BOARD BOARD BOARD LED+ BOARD BOARD BATTERY Wiring shown above will disconnect the battery when you remove the jack plug from the input, and also when a DC plug is inserted. The Board GND connections don’t all have to directly attach to the board.
  • Page 13: Drilling Template

    Drilling template Recommended drill sizes: Pots Jacks 10mm Hammond 1590B Footswitch 12mm DC Socket 12mm 60 x 111 x 31mm 32mm 21mm This template is a rough guide only. You should ensure correct marking of your enclosure before drilling. You use this template at your own risk. Pedal Parts Ltd can accept no responsibility for incorrect drilling of enclosures.
  • Page 14 32mm 27mm This template is a rough guide only. You should ensure correct marking of your enclosure before drilling. You use this template at your own risk. Pedal Parts Ltd can accept no responsibility for incorrect drilling of enclosures. FuzzDog.co.uk...