http://electro-music.com/forum/ http://electro-music.com/forum/viewtopic.php?p=385908#385908 Nop, you need to measure AC current.

Anyway, for this rectifier configuration and according a set of measurements i did, the maximum output you can achieve from a 500mA AC adapter is 125mA. Osal Wed, 19 Jun 2013 07:24:01 -0600 http://electro-music.com/forum/viewtopic.php?p=385844#385844 Yep :-)

I had the same experience when I couldn't get either of the expo converters to track worth a darn--turns out one resistor of each of the main pairs in that part had been swapped between the two inputs, and it wasn't until I was just about r ... elmegil Mon, 17 Jun 2013 15:12:31 -0600 http://electro-music.com/forum/viewtopic.php?p=385534#385534 I don't know what they charge but I'm pretty sure the sofware gives you a quote. Wobuse Sun, 09 Jun 2013 16:28:36 -0600 http://electro-music.com/forum/viewtopic.php?p=385498#385498 Good job! :wave:
It's nice when all that work pays off! :wink: Wobuse Sat, 08 Jun 2013 21:14:33 -0600 http://electro-music.com/forum/viewtopic.php?p=385415#385415 Hello All,

As you may have known, I have been sitting on the fence for many moons in regards to what I would like to do for a first MFOS project. After much weighing out and taking costs into consideration, I have FINALLY decided on the Synth DIY ... jukingeo Thu, 06 Jun 2013 20:41:31 -0600 http://electro-music.com/forum/viewtopic.php?p=385370#385370 I started out using 1/8" MDF to make panels, with aluminum tape (stuff they use for HVAC) for grounding. Then I found Metal Supermarkets and have been able to get reasonably priced, cut to size blank aluminum panels. Now, I have a drill press (a be ... jukingeo Wed, 05 Jun 2013 17:16:11 -0600 http://electro-music.com/forum/viewtopic.php?p=385369#385369 This is for a modular system where any configuration is possible. you are only thinking of a standard pre configured synth.

True, most of the synths I were exposed to were not true full modulars. They were either fixed configuration synths or se ... jukingeo Wed, 05 Jun 2013 17:11:24 -0600 http://electro-music.com/forum/viewtopic.php?p=385323#385323 If you have 2uF or 2.2uF standard electrolytics you can place a pair back to back and essentially get a nonpolar cap. elmegil Tue, 04 Jun 2013 14:27:08 -0600 http://electro-music.com/forum/viewtopic.php?p=385287#385287 :lol: My Nord micro mod. done a protest dance in the box when i wasn't looking ;) :) Skrog Productions Mon, 03 Jun 2013 13:00:51 -0600 http://electro-music.com/forum/viewtopic.php?p=385238#385238 I built the MFOS octave calibrator and put it in this box that has been on my bench top for a long time. The original box had a +/- 12 volt DC power supply ,+/- 5 volt DC,& a adjustable positive DC supply,two LFOs & a sweepable oscillator.
Since I no ... Wobuse Sun, 02 Jun 2013 20:16:00 -0600 http://electro-music.com/forum/viewtopic.php?p=385159#385159 I bow to your plexiglass cutting skillz!

Nice job :-)
Thanks :wink:
I found the plexi pretty easy to work with.
Nice blue box :)

the wsg through a delay or multi-fx pedal sounds great too , instant classic sci-fi sounds :D


Dave.
... Wobuse Sat, 01 Jun 2013 12:30:41 -0600 http://electro-music.com/forum/viewtopic.php?p=385139#385139 Hi there ,

i originally ran my soundlab from +/- 12v and there was a good hot audio output level but the tracking veered off wildley up the octaves, worked fine for crazy noises etc.

After i rebuilt my main modular power supply i made a +/- 9v ... Skrog Productions Sat, 01 Jun 2013 06:00:01 -0600 http://electro-music.com/forum/viewtopic.php?p=384558#384558 But metal film work the same?
From what I know the only difference is the metal film are more precise (1% tolerance).
Yes, they work the same. Metalfilm can be 5% too(mini metalfilm). They also have lower noise, i don't think it matters for synthe ... capicoso Tue, 21 May 2013 15:32:21 -0600 http://electro-music.com/forum/viewtopic.php?p=384467#384467 This is the inside of an op amp (not a typical one, but one nonetheless :) ):



Much more complex than a single transistor.

I believe what makes it a JFET Op Amp is the type of transistors used on the inputs. For example 1/4 of an LF444 look ... elmegil Mon, 20 May 2013 17:03:34 -0600 http://electro-music.com/forum/viewtopic.php?p=384462#384462 Hi all!

Nardu that's a nice and tidy layout, not like mine:D

I finally managed to finish this. There's one serious mistake in my layout: I haven't connected the top (6th row) and bottom BP bus.. I found this out after assembly, so I solved it wi ... bence Mon, 20 May 2013 15:22:42 -0600 http://electro-music.com/forum/viewtopic.php?p=384435#384435 I couldn't tell you... i'm from Argentina and everything is expensive here, alpha pots for example, are 4usd each. so...
The most expensive things are pots, jacks, knobs and the box(depends how you do it tho) capicoso Mon, 20 May 2013 08:52:07 -0600 http://electro-music.com/forum/viewtopic.php?p=384320#384320 “When life gives you lemons, don’t make lemonade. Make life take the lemons back! Get mad! I don’t want your damn lemons, what the hell am I supposed to do with these? Demand to see life’s manager! Make life rue the day it thought it could giv ... elmegil Sat, 18 May 2013 10:50:12 -0600 http://electro-music.com/forum/viewtopic.php?p=384173#384173 I can report that putting the 3.9 and 5.6v zeners in series works just fine. I can also add better than my first post suggests!

If it seems too fiddly with the zeners, I will try the precision shunt that was suggested in that thread. Thanks for the ... Appliancide* Wed, 15 May 2013 19:30:49 -0600 http://electro-music.com/forum/viewtopic.php?p=384002#384002 Have you emailed Ray? I know he lists current consumption figures for most of his modules but not all. Drop him a like, I'm sure he'll help you. bunker Mon, 13 May 2013 11:32:35 -0600 http://electro-music.com/forum/viewtopic.php?p=383563#383563 Have you guys ever used these online simulators? They are seriously awesome. Here's a link to the expo converter... that is working as predicted now. /
I haven't tried that one, but I agree they can be invaluable, especially in a situation like ... Zodiak Mon, 06 May 2013 05:09:23 -0600