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Summary of Contents for ANTUMBRA MULT
- Page 1 ANTUMBRA MULT BUILDING INSTRUCTIONS PCB V1.0...
- Page 2 01. BUILD NOTES Before you start building look through the build manual so that you’ll be familiar with the building process and you won’t run into any surprises! :) Good luck!
- Page 3 02. OPTIONS For this build there are some options that you can choose from, the two main options are: 01: Passive multiple Module won’t draw power, 4x4 multiple. 02: Buffered multiple Multiples are buffered, ensuring that outputs are exact copies of the inputs. Additional (optional) options: 03: Linking parts 04: Normaling input to ground...
- Page 4 03. OPTION 1: PA SSIVE MULT 00. Orient the PCB as seen on the left. 01. Connect the solder jumpers. 02. Go to the last part in the build documentation for the other side.
- Page 5 04. OPTION 2: BUFFERED MULT 00. Orient the PCB as seen on the left. 01. Solder the two 1n5819 diodes. Orientation matters! 02. Solder the two 10uF capacitors. Orientation matters! Match the PCB drawing with the components’ shape. 03. Solder the four TL074 op amps.
- Page 6 04. OPTION 2: BUFFERED MULT 05. Solder the four 10M resistors. 06. Solder the eight 100nF capacitors 07. Solder the 2x5 pin header. 08. Go to the last part for the other side.
- Page 7 05. OPTION 3: LINKING PARTS This option enables you to link the four parts (or specific parts) together. Meaning that the first jack of each part will be normalized to the previous part, so if you don’t connect anything to the first jack, the 3 outputs of that Part 1 ->...
- Page 8 06. OPTION 4: NORMALIZE TO GND Part 1 This option enables you to normalize inputs to ground, so that outputs are not floating when an input is not con- nected. Part 2 Don’t use this option if you chose to link parts! Or then just do this for the first part of each linked parts.
- Page 9 If you want to add illumination to the jacks, add the fol- lowing componets (add components from the buffered mult option: 01, 02, 07). This can be done even if you want a passive multiple, though like this it’ll draw a consider- able amount of current from the +12 rail.
- Page 10 The panel has two sides, one for the passive and one for the buffered option. Place the jacks, place the panel, add the nuts, then solder! You are now finished with building the module, congratu- lations for your new awesome MULT!
- Page 11 MULT is designed by David Szebenyi under Antumbra. www.antumbra.eu Manual by David Szebenyi (www.aman.hu) 2018 • All rights reserved!
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