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Solo Dallas - SVDS Replica

PostPosted: 18 Nov 2012, 10:45
by modman
http://www.solodallas.com/the-svds-repl ... ng-opened/
http://en.wikipedia.org/wiki/Wikipedia_ ... ity_System

I can find anything schematic-wise, and I was seeking all bloody day...

It's just an audio patch (booster/compressor) part of the circuit, no wireless circuity included. Big-ass version is very expensive, but cheaper, more pedalboard friendly version is in works

Re: Solo Dallas - SVDS Replica

PostPosted: 18 Nov 2012, 16:32
by stomper
Here is an article with some interesting specs.
Pretty low input impedance.

http://www.nady.com/news/gp_1979.pdf

Re: Solo Dallas - SVDS Replica

PostPosted: 18 Nov 2012, 16:40
by Dirk_Hendrik
Wow. Something I really never heard off.

Seems a little that this Dallassolo guy is creating it's own hype. And does a pretty good gob at it.

Re: Solo Dallas - SVDS Replica

PostPosted: 29 Jan 2015, 00:30
by sinner
Does anyone had a chance for underskirt checkup of the pedal version?

Re: Solo Dallas - SVDS Replica

PostPosted: 29 Apr 2015, 15:59
by modman
found something of a gut shots, but not much to go by

Re: Solo Dallas - SVDS Replica

PostPosted: 28 Jul 2015, 12:56
by gigidv

Re: Solo Dallas - SVDS Replica

PostPosted: 11 Aug 2015, 22:20
by FuzzMonkey


I wonder if the bypass method is akin to mictester's scheme?

Re: Solo Dallas - SVDS Replica

PostPosted: 14 Aug 2015, 17:16
by gtrguy
FuzzMonkey wrote:I wonder if the bypass method is akin to mictester's scheme?

Using a relay you mean? Pretty common... or am I missing something? I just glanced at the pic...

Re: Solo Dallas - SVDS Replica

PostPosted: 15 Aug 2015, 00:35
by FuzzMonkey
gtrguy wrote:
FuzzMonkey wrote:I wonder if the bypass method is akin to mictester's scheme?

Using a relay you mean? Pretty common... or am I missing something? I just glanced at the pic...

Yes. But driven by a SPST switch and what looks like a two transistor circuit; could be similar to this:

Image

Courtesy of the thread below:

http://freestompboxes.org/viewtopic.php?f=13&t=13295

Re: Solo Dallas - SVDS Replica

PostPosted: 27 Sep 2015, 07:02
by tiococo
Guys
Ive found this
They say in the page that since theyre publishing the PCB they have taken counter measures for the tracing to be ineffective. But with these photos we are back in the game of realizing what does it do. We can figure almost everything
Regards

Re: Solo Dallas - SVDS Replica

PostPosted: 18 Jul 2016, 21:47
by EddieTavares
Guys, some months ago I was thinking a little about this pedal after I read in some sites that this gadget is a compressor and expander with some equalization and boost improvements, I thought about post a reply but I decided to wait a little because probably the schematic would be posted in a little... Ok, I'm still waiting.

What sollo dallas does is what dbx system does in tape recorders and others ciruits such as digital delay/reverb to avoid hiss:

Image

Image

In the first picture atached by tiococo there a dib-16 IC next to the foot switch, there is caps in the pins 1, 2 and 3 like NE571 in compressor configuration:

Image

What do you guys think about?

Re: Solo Dallas - SVDS Replica

PostPosted: 19 Jul 2016, 14:23
by EddieTavares
Ne571 as compressor:

Image

And possibly a one of that in the PCB, three yellow caps connected to the pins 1, 2 and 3 as in the schematic above:

Re: Solo Dallas - SVDS Replica

PostPosted: 19 Jul 2016, 16:06
by apollomusicservice
NE571
SA571

Re: Solo Dallas - SVDS Replica

PostPosted: 19 Jul 2016, 17:51
by EddieTavares
I tried to link this image twice:

Re: Solo Dallas - SVDS Replica

PostPosted: 19 Jul 2016, 18:44
by clintrubber
Stating/or possibly repeating-ting-ing-ng-g the obvious:

The logical thing to do it to listen which BBD-based analog delay with a bypassed BBD & the associated pre- & post-filtering comes closest in sound to the SVDS.

Bye

Re: Solo Dallas - SVDS Replica

PostPosted: 19 Jul 2016, 18:50
by EddieTavares
That is what I think it is:

Re: Solo Dallas - SVDS Replica

PostPosted: 19 Jul 2016, 19:09
by apollomusicservice
EddieTavares wrote:That is what I think it is:

Instead input, output volume boost.

Re: Solo Dallas - SVDS Replica

PostPosted: 20 Jul 2016, 01:51
by FuzzMonkey
I'm a big AC/DC guy so it's good to see some movement with this thread. Keep it up guys!

Re: Solo Dallas - SVDS Replica

PostPosted: 20 Jul 2016, 07:51
by apollomusicservice
Many help would if someone has this device and if wish to make and share more inside photos.

Re: Solo Dallas - SVDS Replica

PostPosted: 22 Jul 2016, 08:02
by Saruman
EddieTavares :applause: :applause: :applause: