CiatLonbarde DIY gallery

home of post-70s electronics

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batchas
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Post by batchas » Sat Apr 01, 2017 2:40 pm

Not PCB oriented, but DIY.
I was thinking of perform live with the Plumbutter 1 but was missing separate control for each voice, so today I decided to make the mods.

Adapted pots, mounted and fixed them = full control.

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batchas
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Post by batchas » Sun Apr 02, 2017 2:00 pm

More voice control: works well!
[video][/video]
Link:
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Repeater
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Post by Repeater » Sat Nov 25, 2017 5:40 am

Had a productive few weeks getting back into the paper circuits. Cheated a bit with the Fourses and used an etched PCB that a friend gave me.

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Lil Sidrassi

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Old Mr. Grassi

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Fourses Tarp

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pugix
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Post by pugix » Sat Nov 25, 2017 10:06 am

Richard
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RadioTelefonik
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Post by RadioTelefonik » Sat Nov 25, 2017 11:17 am

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DDDM2 in an old clarinet case. Green & Purple jacks aren't wired up yet, but everything else is. Black jacks are connected to the touch inputs, as are the AllFlesh plates.

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corpusjonsey
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Post by corpusjonsey » Fri Jan 18, 2019 9:52 am

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Sidrazzi Ozborne. Walnut top, Bamboo bottom, navy hemp twine around the sides. Knobs from Endangered Audio Research. Bare metal bananas that I tried to lay out like the nodes on the back of the original. I resurrected one of the original Sidrazzi Org PCB's with the fabled "12" package code BJTs that were wrongly substituted. Many thanks to Peter B and Pugix for your online resources that helped me troubleshoot this.

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50lazy
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Post by 50lazy » Fri Jun 14, 2019 4:07 pm

What a wonderful tread. I envy you guys! :yay:

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monotrome
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Post by monotrome » Sun Jul 07, 2019 1:59 pm

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This is Rollzbert, finished today: 8 paper circuit Rollz PCBs in a guitar pedal case. M. C. Escher "Stars" sticker because geometry.

ClausF
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Post by ClausF » Sun Jul 07, 2019 2:58 pm

This is Rollzbert, finished today: 8 paper circuit Rollz PCBs in a guitar pedal case. [/quote]
Cool!
How are the LED's connected?
And what is the difference between brown and orange?

PLNB
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Post by PLNB » Mon Jul 08, 2019 12:08 am

Rolzbert looks awesome!

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monotrome
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Post by monotrome » Mon Jul 08, 2019 1:51 am

Thanks!

ClausF: There is a positive pulse on the 4- and 6-Roll behind the 220K resistor. That's where the LEDs are connected.

The browns are the normal nodes of the rolls (negative voltage spikes), for the oranges I took the same positive voltage from behind the 220K resistor. So: browns = negative voltage, oranges = positive voltages.

ClausF
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Post by ClausF » Mon Jul 08, 2019 2:20 am

Thanks monotrome, it seems that I did not look deep enough into the rolls circuits... :tu:

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southphillysynths
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Post by southphillysynths » Mon Jul 08, 2019 8:20 pm

Would anyone be able to point me in the right directions to add a grounding banana to my cocobutter? It's basically the bottom part of a Duosk (plumbutter and Cocoquantus attached on a board)

I have a serge panel coming and want to make sure I can ground it properly, any insight is greatly appreciated!
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corpusjonsey
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Post by corpusjonsey » Mon Jul 08, 2019 8:44 pm

southphillysynths wrote:Would anyone be able to point me in the right directions to add a grounding banana to my cocobutter? It's basically the bottom part of a Duosk (plumbutter and Cocoquantus attached on a board)

I have a serge panel coming and want to make sure I can ground it properly, any insight is greatly appreciated!
The power source for the cocobutter has positive 12V and GND. just wire up a jack off of the GND there and put a hole for the jack where you find space in the case.

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southphillysynths
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Post by southphillysynths » Sat Jul 13, 2019 2:06 pm

corpusjonsey wrote:
The power source for the cocobutter has positive 12V and GND. just wire up a jack off of the GND there and put a hole for the jack where you find space in the case.
thanks for the input! I have my coco open, there are three terminals on the power supply jack. The one at the center back of the jack, side of the jack, and one that is sort of under it.

Seems like the center tab would be going to the barrel of the jack, would that be ground?

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Looks like there are two wires coming from the Plumbutter side of things, not sure if that is grounding them together?
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sungja
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Post by sungja » Sat Jul 13, 2019 6:21 pm

Red wire is ground. That one is soldered to a capacitor symbol and to the negative circled hole. Look at the paper circuit master legend for more info on the ciat lonbarde symbols.

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southphillysynths
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Post by southphillysynths » Sat Jul 13, 2019 7:37 pm

sungja wrote:Red wire is ground. That one is soldered to a capacitor symbol and to the negative circled hole. Look at the paper circuit master legend for more info on the ciat lonbarde symbols.
Awesome, thanks so much!
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southphillysynths
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Post by southphillysynths » Sun Jul 14, 2019 10:45 pm

One last question, got the banana mounted but there is not threading accessible on the banana jack.

How should I secure it in the wood? Apoxy/JB weld? Or something else?
Dcramer wrote:"Not all who wiggle are lost" :boat:
WHO IS BOZO TEXINO?!?!

sungja
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Post by sungja » Mon Jul 15, 2019 2:56 am

Wood glue is good enough.

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Post by horaflora » Sun Sep 29, 2019 3:16 pm

Pb rollZ5 circuit and dual deerhorns rehoused by Gustavo at.noisebridge, SF


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monotrome
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Post by monotrome » Mon Oct 07, 2019 10:58 am

Here's my build of the Phosphate of Aluminum Crystal Simulation with Ultrasound filters:

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It's played with the keys on the right. Each key corresponds to a patch point on the left that functions like a "hold" for each key. Every signal can be patched through the Ultrasound filters and then back into the Phosphate or to the line out.

Here it's played together with Bastl Thyme and EHX Cathedral:
[video][/video]

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bunkerspreckles
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Post by bunkerspreckles » Tue Oct 29, 2019 5:33 pm

Here's a box I finished recently with 2 Dogvoice, a Swoop Spokes with mods a la Richard Brewster (thanks!), and a 5 star brain. The PCBs are the ones that mudlogger has up on the BST page. Really liking the whiney chirpy hooting barks and squeals that the dogvoice oscillators can do, similar to and yet quite different from sounds of other ciat gear. Sorry for crap cellphone pics, its all i got.


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batchas
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Post by batchas » Wed Oct 30, 2019 1:52 am

All builds in this thread are very inspiring :yay:
Thanx for sharing!
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SPIKE the Percussionist
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Post by SPIKE the Percussionist » Wed Oct 30, 2019 6:42 pm

monotrome wrote:Here's my build of the Phosphate of Aluminum Crystal Simulation with Ultrasound filters:

Image
Image

It's played with the keys on the right. Each key corresponds to a patch point on the left that functions like a "hold" for each key. Every signal can be patched through the Ultrasound filters and then back into the Phosphate or to the line out.

Here it's played together with Bastl Thyme and EHX Cathedral:
[video][/video]

FRACKEN AWESOME!!!!!!!!!!!!
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more noiz!

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VauxFlores
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Post by VauxFlores » Sun Nov 17, 2019 9:00 pm

One of my recent CL builds - a ruggedized rendition of a Fourses Tarp that'll hopefully weather the road a little better than some of my earlier stuff that was built into cigar boxes and cutlery trays and whatnot...

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