madbeanpedals::forum

Projects => Build Reports => Topic started by: juansolo on December 11, 2013, 05:57:45 PM

Title: Maestro PS-1A / Nevrosa / Pharoahian
Post by: juansolo on December 11, 2013, 05:57:45 PM
Maestro PS-1A Phase Shifter
(http://juansolo.demon.co.uk/stompage/images/ps1a-o.jpg)

(http://juansolo.demon.co.uk/stompage/images/ps1a-i.jpg)

Layout by JDub of DIYSB, board fabbed by Haberdasher.

Clippage



Nevrosa
(http://juansolo.demon.co.uk/stompage/images/nevrosa-o.jpg)

(http://juansolo.demon.co.uk/stompage/images/nevrosa-i.jpg)
Grind Customs Nevrosa. Loosly based on a Plexidrive, but with way more bacon.

Pharoahian
(http://juansolo.demon.co.uk/stompage/images/pharoah-o.jpg)

(http://juansolo.demon.co.uk/stompage/images/pharoah-i.jpg)
Working my way through the new stuff in the muffs spreadsheet. This is a Pharoah clone is built on Jimmy BJJs Swarm PCB and has a appropriately stoner inspired decal.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: jkokura on December 11, 2013, 06:12:01 PM
That maestro graphic is haunting and amazing.

Jacob
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: selfdestroyer on December 11, 2013, 06:12:57 PM
WOW, I love the art direction with these. You always create/pick out great art for your pedals.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: jubal81 on December 11, 2013, 06:18:33 PM
Fantastic stuff. The Maestro sounds are jaw-dropping. Is that the one Moog designed?
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: rullywowr on December 11, 2013, 06:36:38 PM
That phaser is totally awesome. Love the toans and the no knob ease of use.

The artwork is killer on all of them, very inspiring. :)
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: marauder on December 11, 2013, 06:41:15 PM
Quote from: jubal81 on December 11, 2013, 06:18:33 PM
Fantastic stuff. The Maestro sounds are jaw-dropping. Is that the one Moog designed?

Bean's Stage Fright and the Maestro Stage Phaser are the Moog designed ones, these Maestro's are earlier and designed by Oberheim.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: juansolo on December 11, 2013, 06:50:12 PM
Quote from: selfdestroyer on December 11, 2013, 06:12:57 PM
WOW, I love the art direction with these. You always create/pick out great art for your pedals.

Mostly stolen from the net. I like graphic art, animie/manga, stoner/psychedelic art and ladies with large chests so that tends to be a lot of what I use. The only ones I've done myself tend to be the clones of existing pedal art (Doppelganger, Small Clone, Maestro Phaser, etc). Otherwise it's just editing, cropping, cutting and framing other people's work.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: Bret608 on December 11, 2013, 07:48:12 PM
A friend of mine had the original of one of those Maestros back in the 90s. It sounded awesome. It was funny seeing him use those three goofy footswitches onstage, though!
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: pickdropper on December 11, 2013, 08:18:15 PM
That Maestro is AMAZING.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: Cortexturizer on December 11, 2013, 08:45:12 PM
haven't heard the sound yet but the look of it, inside and out...maaan!
I can imagine you Juan, slowly placing all of your work on a carpet and overlooking with tantric joy like a f-in stompbox demiurg!
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: Ettore_M on December 11, 2013, 08:53:14 PM
This phaser sounds really cool! I didn't know this circuit.  :-\ But it sounds amazing.  ;)
Is there a project for this one?

Hector
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: micromegas on December 11, 2013, 10:27:26 PM
I love your builds man, and that phaser just sounds awesome.....

By the way, is the Nevrosa avaliable from Rej? If it is, where could I find it? (I know it would be better to ask Rej about it but I still didn't ask Jason about the Speedy Mary. I'm a procrastinator and need to work in the heat of the moment  :))
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: juansolo on December 11, 2013, 10:34:35 PM
Quote from: micromegas on December 11, 2013, 10:27:26 PM
I love your builds man, and that phaser just sounds awesome.....

By the way, is the Nevrosa avaliable from Rej? If it is, where could I find it? (I know it would be better to ask Rej about it but I still didn't ask Jason about the Speedy Mary. I'm a procrastinator and need to work in the heat of the moment  :))


Not sure the Nevrosa is a DIY effect or one of his kits. Rej sent it to Cleggy a while back (things fly backwards and forwards across the Atlantic between Rej and us). Not sure. Can't hurt to ask.

Jason still has some Speedy Maries I think. Worth bobbing him a PM. There are a few changes worth making. One of the caps we could only get as SMT for example and we bypassed the fet on the front. Also it really needs to run at 18v so drop a charge pump on the front. Very cool though. Gonna be building another for Cleggy as he likes it so much.

Quote from: Ettore_M on December 11, 2013, 08:53:14 PM
This phaser sounds really cool! I didn't know this circuit.  :-\ But it sounds amazing.  ;)
Is there a project for this one?

Hector

Layout - http://juansolo.demon.co.uk/stompage/schematics/Maestro/Maestro%20PS-1A%20layout.png
Transfer - http://juansolo.demon.co.uk/stompage/schematics/Maestro/Maestro%20PS-1A%20transfer.png
Maestro Schematic - http://juansolo.demon.co.uk/stompage/schematics/Maestro/Maestro%20PS-1A%20schematic.gif
Oberheim Schematic - http://juansolo.demon.co.uk/stompage/schematics/Maestro/Oberheim%20PS-1%20schematic.pdf

UPDATE - Found the fella who did the layout over on DIYSB and he's uploaded the later versions that have the corrections. Still needs the 5 anti-RFI caps though. But all the orientations are now correct.

Bear in mind what I posted above: If you look at the innards of mine, all the socketed fets are the wrong way around on that layout and you'll need to add the RF caps that are missing (underneath on mine).

Powering it is also fun. You'll either need to use a Road Rage (hidden under the board on mine) to get you the -12v or something else to get +/-12v. We couldn't get any other method to work as well as using a 12v supply.

To make it true bypass (there's a slight vol drop when the effect is engaged), link the slow connections.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: micromegas on December 11, 2013, 10:39:12 PM
thanks. I think I'll write to Jason right now
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: GrindCustoms on December 12, 2013, 12:00:10 AM
You guys have really knocked that Maestro like champs! Freaking amazing! 8)

Not to derail, but just to answer, the Nevrosa is not available as a DIY project, it's one of my production layouts, once i verify my prod stuff, i usually sell couple ones over BYOC, truly a first arrived first served thing. But yeah... some day i start to think that there's just a small bridge between my northern location and UK. :)

And!! Those home brewed SMT JFets looks just so rad!
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: juansolo on December 12, 2013, 08:42:26 AM
They're a tight fit! There's a cap under the board as they're a little fat. But they do look ancient, which is awesome. Great sounding effect dude.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: davent on December 15, 2013, 01:05:52 AM
Love the graphic on the Maestro and with no knobs to obscure the image... all the better. Sounds super too!

What size enclosure did you pop that one into?

Thanks
dave
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: Stomptown on December 15, 2013, 02:10:13 AM
Stunning builds! That Maestro sounds amazing and looks great! That graphic is just awesome!
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: billstein on December 15, 2013, 05:41:30 AM
All great builds but really like that Maestro.
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: jubal81 on December 15, 2013, 06:21:30 AM
I have to post again because I just can't get over how GOOD that phaser sounds. I love my Mutron II, but eyes are wandering ...
Title: Re: Maestro PS-1A / Nevrosa / Pharoahian
Post by: juansolo on December 15, 2013, 09:14:04 AM
Quote from: davent on December 15, 2013, 01:05:52 AM
What size enclosure did you pop that one into?

It's an Eddystone I found at a local store. Pretty sure it's this one: http://www.hammondmfg.com/pdf/10758PSLA.pdf

Quote from: jubal81 on December 15, 2013, 06:21:30 AM
I have to post again because I just can't get over how GOOD that phaser sounds. I love my Mutron II, but eyes are wandering ...

Well worth a build. It's a unique and great sounding thing.