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Yusynth, Thomas Henry and other stripboard modules

MS-20 Sample & Hold + Barton Musical Circuits Wave Animator make ultrasaw like sounds, chorus like texture

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4017 Baby Sequencer Stripboard

Off board wiring on a separate strip board is essential; its the only way to build a step sequencer sans designing a PCB.Thanks for this awesome and useful design.

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weird synth box that uses lots of 10K pots

I've got a load of 5K 9mm pots I should find a use for...

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Wildcat VCF-3 PCB

Does the schematic above have any errors? I know that the original schemo was missing a resistor and the layout above was missing a different resistor...Update: I'm thinking that the 4600 series are...

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EFM VCF 4622 Moog Taurus type Transistor Ladder

And so, more than a year later, I shuffled some components, added a two pole connection and some holes so a daughterboard can be added to also have the two pole output available. And, I finally ordered...

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EFM VCF 4622 Moog Taurus type Transistor Ladder

Hi LFLab. Notification on your reply never came. I'll build it as soon as I can. Sorry.Edit: if you can, upload the new design please.

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EFM VCF 4622 Moog Taurus type Transistor Ladder

Don't know to be honest, I have tried some alternative (ie. non rectangular) board outlines, and I put a big hole to feed cables through on a mixer PCB, and that worked fine. I am not sure if this...

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Asking function & name of the NPN seen here in schematics

hello folks,i built the Thomas Henry VCA 1 based on a LM 13700 OTA.it works, but the output level, even at it max, is considerably quieter than the VCO level that is feeding the VCA.has any of you...

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EFM VCF 4622 Moog Taurus type Transistor Ladder

I can confirm that iTead will mill this type of slot. Mine came back plated through and I think that is because it was on a pad. I drew the rectangle on layer 46 "Milling" of the package and I used...

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devsound layouts

Hi! I've been working on my modular for a long time now, and I've made quite a few layouts on the way. Some are reworks of schematics available online (by some of you guys and some of the classics) and...

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Dual VCA Idea

The data sheet is a bit vague isn't it ... :? It says 20 mA max output current, it also says that you can short circuit the output indefinitely, and then it says you need to limit the output current so...

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devsound layouts

WitchCap001.png :lol:Where are these PCBs made ?

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weird synth box that uses lots of 10K pots

Build a double benjolin, for ultimate cross modulating madness!

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Help with stripboard layout...

Excellent thanks for the advice. I have found similar info on DIY powers supply here.http://www.frequencycentral.co.uk/?page_id=894I guess these are pretty much the same?

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Help with stripboard layout...

Thanks PHOBoS...I am a complete wally. I had failed to connect C1 to C11. Fixing that problem meant when I connected the 'missing' ground to C1, R20 and R25, it worked perfectly.Now I have a fully...

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ARP Axxe VCO

Me too... no sound al all Sorry about bumping out this old thread, etched two of these...Non of the 2 working :(I can get 2-4 V (depending on the the PW trimpot) but thats all.No sound, no reaction to...

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Yamaha GX VCF (untested layout)

BCM is only SMD ,i used adapters from 258's pdf here on forum

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Yamaha GX VCF (untested layout)

thanks ,it's not that good the layout as there is some noise in the feedback jumper ,maybe it's best to build the MOTM pcb ,but if anyone tries to build this here is layout with room for that 1.2K...

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RYO 3x VCA - Stripboard layout help

......Is it also possible to draw the schematics, and then let the sw do the p'n'p layout for toner transfer method?....... please reformulate the question oh, sorry I was unclear ...I was meaning if...

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RYO 3x VCA - Stripboard layout help

Sorry, I found 2 errors: LM324, TL084 must be rotated 180 degrees (in all variants), a wrong connection to VR7 and VR8. Here, - RYO 2x VCA top v.3 revised. The attachment RYO 2X VCA_v.3 stripboard.zip...

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