[sdiy] Odp: Re: Euro Synth Spec

Sat Oct 21 13:34:52 CEST 2017

Banana Frac: Decent power connectors, +/- 15V, 1V/octave, no need for redundant screens on patch cables, etc.

Rob

From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Roman
Sent: 20 October 2017 21:50
To: synth-diy at synth-diy.org; Tim Ressel <timr at circuitabbey.com>
Subject: Re: [sdiy] Odp: Re: Euro Synth Spec

Yes, the 15V rails too, I said the list can go on and on...

I'm not against Eurorack, it has got its place, although it has emerged to some kind of cult now.

For someone who worked before with real subrack industrial/telecom stuff, all those "general guidelines" about eurorack modular just sound silly.

There's not one choice of Eurorack power connector, but actually 8 as combination of those 3 factors:

16/10-pin, shrouded/nonshrouded and good/reversed. But I'm not gonna argue on every other point, nothing good will come out of this, only useless flame war.

Yes, I may found another format, actually I do have basic concept ready for some time. Don't care if it will ever be adopted by others or not. Most probably not. Back in the days every modular had its own way of doing things and everybody was happy.

Roman

Dnia 20 października 2017 22:00 Tim Ressel <timr at circuitabbey.com <mailto:timr at circuitabbey.com> > napisał(a):

Roman has a point, up to a point. Eurorack certainly has its problems. Roman didn't even mention the 12V rails, where 15V is so much better. But it also has its charms. 

It sounds like Roman is against Eurorack, and that is fine. There are other formats, like 5U for example. There you have only 2 different power connectors versus the inferior one choice for Eurorack. Also fixed width panels that always seem to be too small or too big. But at least the panels are black and 1/4" jacks are so kewl and there is a spec for the font. Oh, wait...  

This came up several years ago on my modules. I did extensive testing and found the font doesn't affect the sound at all. 

I've never seen panels other than the usual 1.6mm, so no sure about that. Sliding nuts are a great way to torture prisoners of war. Heck, even my friend Jeph who swore by sliding nuts changed his mind when he got a case with nut strips. Of course there is a way to fix the sliding nut issue: fill the rails all the way up with nuts, then remove 1 nut for wiggle room. Rails with or without lip, I have both,  don't care either way. As for screws, yes, three different sizes is a pain in the posterior. But screws are cheap and so are Altoids cans. 

And by the way, I have a standard jack color: It is silver ;-)

I should also point out that there are standards for Eurorack:

http://www.doepfer.de/a100_man/a100m_e.htm

http://www.doepfer.de/a100_man/a100t_e.htm

Sadly, no spec for the font. 

Perhaps Roman should consider founding a new format. It sounds like he has strong opinions on how things outta be. For me though, a format that has rigid standards for every last little thing sounds like going to the zoo: see the animals safely behind cages, no risk of anything going wrong, eat some popcorn. I prefer a safari on the Serengeti: Not so safe, never know which guide you're going to get, my get eaten by a lion. That's what Eurorack is like.

--Timbo

On 10/20/2017 11:45 AM, Roman wrote:

Why bother with color jacks since whole eurorack is a mess!

Power source - no specs at all, power cable - crap, power connector - mistake, mounting screws - M3 or M2.5 or inch-something, various rail types resulting in different srew lenght requirement, rails with or without lip, mounting holes in if full HP or half-HP location, sliding nuts - insanity, panel thickness and materials, from 1 to 5mm, and I haven't even touched CV ranges, neither in/out impedances, this list can go on and on.

And anybody considering standarize jack colors? Gimme a break. How about uniform font?

Roman

Dnia 20 października 2017 19:39 Quincas Moreira  <mailto:quincas at gmail.com> <quincas at gmail.com> napisał(a):

I think I prefer the way Random Source does the Serge colour coding in Euro, it goes on the panel rather than on the jack. just a coloured circle around each jack. And keep it simple, just red, black and blue, more becomes messy, IMo

Sent from my iPad

On Oct 20, 2017, at 11:41 AM, Vladimir Pantelic  <mailto:vladoman at gmail.com> <vladoman at gmail.com> wrote:

except for the Doepfer range, no other module I have uses these right angle Cliff jacks. And I don't even know where to buy the colored version from.

so unless I do full color print panels, I see not way to implement this scheme even if I wanted.

On 10/20/2017 06:05 PM, Andre Majorel wrote:

http://www.elby-designs.com/webtek/panther/panther-jacks.htm

I think that it would make panels look like angry fruit salads

and that might be counter-productive. A quick way to tell

outputs from inputs would be nice, though. Something like the

Cwejman S1 but using brightness rather than hue. Eg white for

outputs, black for inputs.

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--Tim Ressel
Circuit Abbey
timr at circuitabbey.com <mailto:timr at circuitabbey.com> 

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