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Summary of Contents for FuzzDog Marvellous Marshall
- Page 1 Marvellous Marshall RambleFX’s fantastic take on Marshall grunt Contents of this document are ©2022 Pedal Parts Ltd. No reproduction permitted without the express written permission of Pedal Parts Ltd. All rights reserved.
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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 + BOM 180p D1-3 1N5817 330p Q1-5 J201** 820R 7660SEPA / *** 100p TC1044 / LT1054 680n 470K NORM 470K 470p TREB PRES 500KA 180p 25KA 100n 100K BIAS1-5 50K Trimmer ‡ SPDT ON-ON 100n 10u elec *See later in doc. 330u* **Pads are available for 220u...
- Page 5 The power and signal pads on the PCB conform You should solder all other board-mounted to the FuzzDog Direct Connection format, so can components before you solder the pots with the be paired with the appropriate daughterboard for last.
- Page 6 Biasing Once assembled it’s time to bias those FETs. Do the same with Q2 and Q5. You should now have sweet Marshall-ish tones. Feel free to There’s a trimmer each for Q1, Q2 and Q5. tweak them up or down to taste. If you’re experiencing more noise than you’d like, down is Set your toggle to 9V mode (down position).
- Page 7 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 8 Now’s the time to refer to the daughterboard document for your chosen bypass method. Enjoy your pedal!
- Page 9 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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