Electrosmith 2144 LPF Build Manual

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Electrosmith 2144 LPF MU Build Guide

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Page 1 Electrosmith 2144 LPF MU Build Guide...
Page 2: Table Of Contents
Contents Overview of the included parts ....Build ........Build .
Page 3: Overview Of The Included Parts
• x10 MU Jacks • x1 Electrosmith 2144 Submodule • x1 Electrosmith 12V PSU Submodule • x1 Electrosmith 2144 LPF 1MU Top PCB • x1 Electrosmith 2144 LPF 1MU Bottom PCB • x1 Electrosmith 2144 LPF Front Panel • x2 2x8 Male Headers •...
Page 4: Build
Build...
Page 5: Build
Build...
Page 6: Power Header
1. Power Header...
Page 7 The short pins should be pointing through to the top-side of the PCB, while the plastic and longer side of the pins should be visible on the back of the PCB. Make sure the plastic lock tab is facing down. The side of the PCB with the text “5U POWER”...
Page 9 Once soldered, clip the pin labeled “K” from the power header.
Page 10: Link Headers
2. Link Headers...
Page 11 Populate both PCBs with the 2x8 male headers. The short pins should be pointing through to the top-side of the PCB, while the plastic and longer side of the pins should be visible on the back of the PCB.
Page 13 All of the connections that need to be soldered are highlighted with white circles to visually assist in the build process...
Page 15: Submodule
3. Submodule...
Page 16 Connect the female and male headers together.
Page 17 With the board face down, insert the female headers into the 1MU Top PCB.
Page 18 Place the Electrosmith 2144 submodule and 12V PSU submodule with pin 1 (indicated by a square pad) aligned with the marker on the 1MU Top PCB. The trim pot, and logos should be pointing up. Solder the submodules onto the headers.
Page 19 Flip the module over, leaning the now connected submodule against a surface that will keep all of the headers ﬂush with the 1MU PCB. Solder the female headers into the 1MU PCB.
Page 21: Jacks And Pots
4. Jacks and Pots...
Page 22 Populate the PCB with the 6 10k Potentiometers. They should be seated onto the top side of the Top PCB (easily veriﬁed by the boxes indicating the "M-10K-B pots).
Page 23 Populate the additional PCB with the 5 MU Jacks. They should be seated onto the top side of the PCB (easily veriﬁed by box shapes around where the jacks will be placed).
Page 24 Install the front panel so that all of the jacks and pots ﬁt into their holes.
Page 25 Flip the module over, and place the front panel on two objects of equal height to ensure that gravity is holding the PCB against the jacks.
Page 26: Finish
On the bottom side of the PCB all of the connections that need to be soldered are highlighted with white circles to visually assist in the build process. In total there will be 45 solder joints to hit on the bottom side of the PCB. Finish Aﬃx the front panel to the jacks and pots using the included hex nuts.
Page 29 Attach the link cable aligning the red stripe to the white indicator on both pcb’s You’re done! Enjoy!
Page 30: Test
-8V to +8V depending on the freq knob position. The Res CV should control the resonance, and should respond to -5V to +5V, adding to the Res pot position. If everything has worked so far then you have successfully built an Electrosmith 2144 LPF! Calibrate (optional)
Page 31 Use the Freq Knob to tune this to a recognizable frequency or note (e.g. 50 Hz or A0), and keep this note in mind throughout the following process. Apply +1V – The frequency should now be about two times your original frequency (or one octave up).