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Summary of Contents for Shakmat Dual Dagger
- Page 1 12HP Eurorack Module Built & designed in E.U. www.shakmat.com Shakmat Dual Dagger Building Guide...
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Page 2: Table Of Contents
Range adjustment using a multimeter ..........13 8.1.2 Range adjustment by ears ..............14-15 CV rejection adjustment ..................16 8.2.1 HighPass ......................16 8.2.2 LowPass ......................16 Offset adjustment ....................17 8.3.1 HighPass ......................17 8.3.2 LowPass ......................17 • www.shakmat.com... -
Page 3: Preamble
1. Preamble Thank you for purchasing a Shakmat DIY kit ! We spare no effort in our kit packing process to prevent any mistakes or missing parts. In this document as well, we do our best to describe the assem- bly process in the most practical and comprehensive way. -
Page 4: Component List & Necessary Tools
Pack 2 Necessay tools 4x 1K trimmer 2x 8 pin male header 2x 8 pin female header Soldering iron 3x Slide switch Solder 9x Jack connectors Cutting pliers 9x Jack connectors nuts Masking tape 2x M3 metal screws • www.shakmat.com 03/19... -
Page 5: Pcb Details
3. PCB details -12V HP_L HP_R Top PCB Bottom PCB Front & back Front & back • www.shakmat.com 04/19... -
Page 6: Pcb Stacking
PCBs against each other while soldering. There must be no gap between the PCBs and the header’s black plastic part between them.Once you’ve soldered the first point of each header and check the alignment, you can move on and carefuly solder the remaining points. • www.shakmat.com 05/19... -
Page 7: Top Pcb Assembly
If those jacks aren’t perpendicular, the front panel will be very hard to mount. If one of the jacks is not perfectly perpendicular with the PCB, you can reheat the pads and push it down with your thumb to re-align. • www.shakmat.com 06/19... -
Page 8: Slide Switches
Place and solder the 3 slide switches. Be sure to lay them flat on the PCB when soldering. We recommend you only solder one of the pin, check alignement and if you are satisfied with you placement, solder the remaining pins. • www.shakmat.com 07/19... -
Page 9: Potentiometers & Nuts
Mount the front panel and tighten the potentio- meters nuts lightly (this will ensure a proper placement of the pots) and then solder them. Once you have soldered everything, remove the nuts, the front panel and proceed to the next step. • www.shakmat.com 08/19... -
Page 10: Back
Place the power header, the short pin side in the holes and solder only one of the pins. Check the alignment and correct if necessary. Then, once your component is upright and flat on the PCB, solder the remaining pins. • www.shakmat.com 09/19... -
Page 11: Male Headers (1X3 Pin)
Take off the soldering iron but keep pressing. Avoid touching the pin itself because it will become hot very quickly and move out of alignment within the plastic bracket. Once you are satisfied with you placement, solder the remaining pins. • www.shakmat.com 10/19... -
Page 12: Bottom Pcb Assembly
Detach the two PCBs and continue with the bottom PCB. Place & solder the 6 50k trimmers one by one. Be careful to put them in the right direction. The little adjustment screw must be pointing outward (see next page for an illustra- tion of the mounting direction) • www.shakmat.com 11/19... -
Page 13: Trimmers 1K
Jack nuts (x9) Finally, push the four knobs onto their metal potentiometer and you’re done with the building part! Knobs (x3) • www.shakmat.com 12/19... -
Page 14: Calibration
Then, do the same for the five other test points. It is very important, to follow the order indicated in the diagram. 0.000v 1 0.213v 0.213v 0.000v 0.210v 0.210v • www.shakmat.com 13/19... -
Page 15: Range Adjustment By Ears
V/Oct Source. While playing on 3 octaves, adjust the HP1 trimmer until the interval you hear is as close as possible to 1 octave between each note. Do the same procedure using OUT 2 and the HP2 trimmer. • www.shakmat.com 14/19... - Page 16 V/Oct Source. While playing on 3 octaves, adjust the LP1 trimmer until the interval you hear is as close as possible to 1 octave between each note. Do the same procedure using OUT 2 and the LP2 trimmer. • www.shakmat.com 15/19...
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Page 17: Cv Rejection Adjustment
OUT 1, you should slightly hear the audio signal. Turn the trimmer C until you reach the maximum possible attenuation. Do the same for OUT 2 using the D trimmer. If you have access to an oscilloscope you can use it instead of your ears. • www.shakmat.com 16/19... -
Page 18: Offset Adjustment
Listen to OUT 1 & 2 At this point you may hear that out 1 and 2 are slightly out of tune with each other. Adjust the Offset HP trimmer until you hear the very same frequency on the two outputs. • www.shakmat.com 17/19... - Page 19 www.shakmat.com...
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