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Summary of Contents for David Rolo TWIN PEAKS TREMOLO
- Page 1 TWIN PEAKS TREMOLO Build Guide for v2.1 Revision 2.1 David Rolo 2014...
- Page 3 The build consists of 2 boards that were designed to fit in a BB enclosure with top mounted open jacks. PCB1 holds the pcb mounted pots and rotary switch. PCB2 holds the main circuit.
- Page 4 The 2 boards are connected together like this:...
- Page 5 The pots best suited are Alpha 16mm Right-angle PCB mount Pots: And one mini rotary 2P4T switch like these: They can be ordered in batches from different places like: http://www.befr.ebay.be/itm/300881322642 http://www.aliexpress.com/item/Free-Shipping-20-x-Plastic- Band-Switch-2P4T-Rotary-Switch/996781872.html Of course you can use other parts and not mount them on the PCB. Then you will probably need a bigger enclosure.
- Page 6 Here is a wiring diagram:...
- Page 7 Twin Peaks Tremolo Bill of Materials Reference Quantity Name Description CAPS C14,C15 Capacitor Capacitor Capacitor C1,C12,C17,C18,C19,C20,C21,C22,C6,C9 100n Capacitor C16,C2 470n Capacitor Capacitor Electrolytic C13,C8 Capacitor Electrolytic C10,C11,C7 100u Capacitor Electrolytic RESISTORS R10,R11,R12 Resistor R31,R32 100R Resistor R20,R21,R22,R23,R24 Resistor Resistor R17,R18,R19,R26,R27,R28,R29,R30...
- Page 8 Here are the steps I would recommend to assemble the boards: 1) Populate the boards with all parts, starting with the smallest to the tallest. Solder in the pots and rotary switch last. Notes: Use sockets for the IC’s, at least for the TAPLFO ...
- Page 9 2) When you have finished populating the boards, solder all needed outboard wires (not the ones connecting the 2 boards together) already in place leaving enough length to connect to their destination later on. 3) Fit the 2 boards back to back with a piece of cardboard or other insulator between them. Don’t use anything too thick but also not too thin that component leads could poke through and cause a short.
- Page 10 Controls: Rotating from CCW to CW, the rotary switch selects the tremolo modes: Bass and treble modulated in phase (normal tremolo) Bass and treble modulated out of phase (Harmonic tremolo) Bass modulation only, with fix treble Treble modulation only, with fix bass Pots: ...
- Page 11 Multiplier: allows to select the multiplier that will be applied to the tapped tempo http://www.electricdruid.net/datasheets/TAPLFO2Datasheet.pdf Source:...
- Page 12 This is a drill template I have been using but take your own measurements to make sure everything fits (before committing to drilling your box … ;-)
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