FuzzDog CosmosFuzz Quick Start Manual

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Cosmos Fuzz
Extreme splatter-fest fuzz
from out of this world
Contents of this document are ©2023 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 CosmosFuzz

  • Page 1 Cosmos Fuzz Extreme splatter-fest fuzz from out of this world Contents of this document are ©2023 Pedal Parts Ltd. No reproduction permitted without the express written permission of Pedal Parts Ltd. All rights reserved.
  • Page 2 Important notes - DO NOT SKIP! 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 the build. • 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 + BOM 100n D1-3 1N5817 100n Germanium** 33n* 33n* LM386-N1 100n 560K 100n Q1-3 2N2222*** 100R 100u elec 100KB 100KA 470R *You could just use a 68n in either spot and 100R leave the other empty. **We supply Russian D9E. This has the anode indicated by the stripes rather than the cathode, so reverse it compared to the PCB silkscreen.
  • Page 5 The power and signal pads on the PCB conform to the FuzzDog Direct Connection format, so can be paired with the appropriate daughterboard for quick and easy offboard wiring. Check the separate daughterboard document for details. Be very careful when soldering the diodes and transistors.
  • Page 6 Test the board! Check the relevant daughterboard document for more info before you undertake this stage. 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 7 Now’s the time to refer to the daughterboard document for your chosen bypass method. Enjoy your pedal!
  • Page 8 3 mm 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...

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