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 Forum index » DIY Hardware and Software » Thomas Henry designs
Anybody want a Rev01 Mankato PCB?
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Etaoin



Joined: Jun 30, 2005
Posts: 761
Location: Utrecht, NL

PostPosted: Fri Jun 29, 2007 6:01 am    Post subject: Re: Anybody want a Rev01?
Subject description: Parts list and documentation is ready
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Quote:
One customer in The Netherlands got his board in just two days


Yeah, and then I had to go on holiday for two weeks! Anyway, I'm almost ready for a front panel...


mankato_sdiy.jpg
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Mankato Rev01
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mankato_sdiy.jpg



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Last edited by Etaoin on Wed Aug 22, 2007 12:27 am; edited 1 time in total
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Tim Servo



Joined: Jul 16, 2006
Posts: 924
Location: Silicon Valley
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PostPosted: Fri Jun 29, 2007 7:57 am    Post subject: Anybody want a Rev01
Subject description: Nice Pic
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Nice! You get the prize for first pic (besides mine).

It's so... blue... must... look... away... but can't... too... nifty...

Wink

Nice to see a Mankato take shape. Now I can't wait to see (hear) it in action.


Tim (easily hypnotized) Servo
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Etaoin



Joined: Jun 30, 2005
Posts: 761
Location: Utrecht, NL

PostPosted: Sat Jun 30, 2007 8:42 am    Post subject: Reply with quote  Mark this post and the followings unread

I'm out of Jack sockets, but I wanted to post progress anyway...


sm25_mankato.jpg
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TH-201/8 'Mankato' Casia Modular design front panel
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Last edited by Etaoin on Wed Aug 22, 2007 12:55 am; edited 1 time in total
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tomcat



Joined: Oct 14, 2005
Posts: 141
Location: earth

PostPosted: Sat Jun 30, 2007 12:39 pm    Post subject: Reply with quote  Mark this post and the followings unread

Slick, now its even harder to wait for my 2 rev 2 boards. Very Happy
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janvanvolt



Joined: Nov 24, 2005
Posts: 285
Location: Mainz, Germany

PostPosted: Sat Jun 30, 2007 1:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

tomcat wrote:
Slick, now its even harder to wait for my 2 rev 2 boards. Very Happy


You're right. I probably start to work on my MOTM frontpanel Smile
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krisp14u



Joined: Nov 11, 2006
Posts: 206
Location: uk

PostPosted: Sat Jun 30, 2007 1:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

Dave Brown has been busy with the MOTM format panel

take a look

http://www.modularsynthesis.com/magicsmoke/mse.htm

cheers

paul D

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janvanvolt



Joined: Nov 24, 2005
Posts: 285
Location: Mainz, Germany

PostPosted: Sat Jun 30, 2007 3:21 pm    Post subject: Reply with quote  Mark this post and the followings unread

ah right... i was about to forget that we worked on it.
thx for the reminder.
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bdu



Joined: Dec 10, 2006
Posts: 21
Location: Sunnyvale, CA

PostPosted: Sat Jun 30, 2007 10:11 pm    Post subject: Re: Anybody want a Rev01?
Subject description: Parts list and documentation is ready
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Tim Servo wrote:
Hey Sneak,

The parts list and documentation is on it's way! One customer in The Netherlands got his board in just two days (sent via the same Air Mail service, go figure), so I'm glad to hear you got yours. Rev01s went to Germany, Netherlands, UK, Australia, and the US of A, so it's a very international board now. Wink
Tim (the Rev01 has seen more of the world than I have) Servo


Do I still get that board you offered me last December? ;0)

-Brandon
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Tim Servo



Joined: Jul 16, 2006
Posts: 924
Location: Silicon Valley
Audio files: 11

PostPosted: Sun Jul 01, 2007 12:05 am    Post subject: Re: Anybody want a Rev01?
Subject description: Parts list and documentation is ready
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bdu wrote:


Do I still get that board you offered me last December? ;0)

-Brandon


Hey Brandon,

Heck yeah. You get a Rev02 board, and BTW, the REV02 boards are here! I'm just checking to make sure they behave okay. I've put one together (goes pretty fast when you have all the parts), and I've got it running. I have it oscillating for a while, and then running as a VCF for a while to burn it in. I just want to make sure the board AND the circuit behave okay. These look good so far. If everything checks out okay, the boards will go on sale in the next day or so.

For those of you not familiar with Brandon's deal, he's the guy who VERY graciously took the Mankato prototype up to the AH Cali show last year. Something came up that prevented me from going, so Brandon took the Mankato and hooked it up to his modular to show it off, making him an official "Friend of Magic Smoke." Maybe I'll have t-shirts printed up Wink Oh, and I still have Brandon's Minimoog that I borrowed like a year ago. I've measured most of it and made a CAD model (and made some renderings that even fooled a few folks at Moog). But back on subject, we're saving a Rev02 for ya, Brandon.

Tim (in product test mode) Servo
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tomcat



Joined: Oct 14, 2005
Posts: 141
Location: earth

PostPosted: Sun Jul 01, 2007 12:15 am    Post subject: Re: Anybody want a Rev01?
Subject description: Parts list and documentation is ready
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Tim Servo wrote:
BTW, the REV02 boards are here!


thumb up Where to send the adress? Where to pay? Wink
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Tim Servo



Joined: Jul 16, 2006
Posts: 924
Location: Silicon Valley
Audio files: 11

PostPosted: Sun Jul 01, 2007 12:33 am    Post subject: Rev02 Boards
Subject description: They're here
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Dang, that was quick!

We're not quite ready to release them yet. Like I say, I want to make sure the layout and the circuit behave. I'm being a bit paranoid, but I really want people to be happy with these, and to make sure there are no hidden "gotchas." The first populated Rev02 is in burn in now, and it's behaving just fine, but I want to make sure there are no problems. I should know by tomorrow. I don't anticipate any problems, but then again, you NEVER anticipate problems - they just happen!

When these go on sale (I'll make an announcement), we take PayPal at magsmoke@gmail.com

Thanks to everybody for their patience. Hang in there just a little bit more, we're almost there!

Tim (I'm not a Quality Control person, but I play one on TV) Servo
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Etaoin



Joined: Jun 30, 2005
Posts: 761
Location: Utrecht, NL

PostPosted: Sun Jul 01, 2007 4:51 am    Post subject: Reply with quote  Mark this post and the followings unread

Here are some quick try-outs with my Rev01:

Mankato 24dB VCF:
http://www.dompselaar.org/Mankato/mankato_24db.mp3

Mankato 18db VCF:
http://www.dompselaar.org/Mankato/mankato_18db.mp3

Mankato as three-phase LFO to PS3100 triple resonator:
http://www.dompselaar.org/Mankato/mankato_3lfo.mp3

No "Mankato as VCO" as I haven't been able to tune it yet (can't get it above 0.5 volt/octave at the moment). And I haven't even tried processing CV with it yet...

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Scott Stites
Janitor
Janitor


Joined: Dec 23, 2005
Posts: 4127
Location: Mount Hope, KS USA
Audio files: 96

PostPosted: Sun Jul 01, 2007 11:41 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for posting these samples! I was surprised out how squelchy the 18 dB output could sound! I've never heard that particular output before (that buffered tap was an addition put in by Magic Smoke).

Have you had any luck getting a 1V/Octave response yet? I had no problem on the breadboard getting that. I've got a Rev01 board, but haven't had a chance to grace it with a soldering iron yet Embarassed I think Tim has had success with the 01, so he might chime in here.

Cheers,
Scott

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Tim Servo



Joined: Jul 16, 2006
Posts: 924
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PostPosted: Sun Jul 01, 2007 1:00 pm    Post subject: Rev01 Mankato
Subject description: Rev01 Samples
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Hi Boys and Girls!

Hey Louis, nice samples! Now try using the Mankato as an LFO and modulating it with another LFO - I had all sorts of fun with that. One thing about the Mankie that I like is that the frequency goes high enough to really let all the higher harmonics come through. This produces a very buzzy sound that I don't get from many other VCFs, a real "snap" at the very beginning of an envelope if you have the mod level cranked up.

As far as the v/octave response, I haven't set mine precisely, but I've gotten pretty close simply by setting the trimmer to mid position (i.e. 5 turns on a 10-turn trimmer). I'll have to check this tonight, but I think we should be able to get you set up.

Tim (going for a drive with the wife and kids now) Servo
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bdu



Joined: Dec 10, 2006
Posts: 21
Location: Sunnyvale, CA

PostPosted: Sun Jul 01, 2007 1:51 pm    Post subject: Re: Anybody want a Rev01?
Subject description: Parts list and documentation is ready
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Tim Servo wrote:

Heck yeah. You get a Rev02 board, and BTW, the REV02 boards are here!


Awesome, I've got several projects on the bench at the moment, so no rush on my part, just wanted to get in on the list, if possible, thanks!

Time Servo wrote:

Oh, and I still have Brandon's Minimoog that I borrowed like a year ago. I've measured most of it and made a CAD model (and made some renderings that even fooled a few folks at Moog).


I think it may be creeping closer to two years, at this point, but who is counting? ;0) I'm not sure there's even a good place for it in the studio anymore, so hold on to it as long as there's still work to do on that model.[/i]
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bambam



Joined: Feb 20, 2007
Posts: 60
Location: australia

PostPosted: Sun Jul 01, 2007 6:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi tim

Put me down for 1 for sure and maybe 2 if i get the cash and you have that many.

Cant wait to get into that pretty blue board!

Brett
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Etaoin



Joined: Jun 30, 2005
Posts: 761
Location: Utrecht, NL

PostPosted: Thu Jul 19, 2007 2:18 am    Post subject: Reply with quote  Mark this post and the followings unread

"My First Youtube video" with the Rev01 Very Happy
http://www.youtube.com/watch?v=6EsOUeHvf-8

and an mp3 with a drum box:
http://www.casia.org/modular/sq1_mankato.mp3

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janvanvolt



Joined: Nov 24, 2005
Posts: 285
Location: Mainz, Germany

PostPosted: Thu Jul 19, 2007 3:19 am    Post subject: Reply with quote  Mark this post and the followings unread

Etaoin wrote:
"My First Youtube video" with the Rev01 Very Happy
http://www.youtube.com/watch?v=6EsOUeHvf-8

and an mp3 with a drum box:
http://www.casia.org/modular/sq1_mankato.mp3


Really Nice! Can't await to get the PCB (frontpanel is already here).

Sidequestion: Is anybody able to supply me with one SSM2164 in europe ?
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sneakthief



Joined: Jul 24, 2006
Posts: 569
Location: Berlin

PostPosted: Thu Jul 19, 2007 3:26 am    Post subject: Reply with quote  Mark this post and the followings unread

i bought one from rsonline.de once - make sure it's the DIP version and not the SMD one. you can also try requesting a sample from AD.
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janvanvolt



Joined: Nov 24, 2005
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Location: Mainz, Germany

PostPosted: Thu Jul 19, 2007 3:37 am    Post subject: Reply with quote  Mark this post and the followings unread

sneakthief wrote:
i bought one from rsonline.de once - make sure it's the DIP version and not the SMD one. you can also try requesting a sample from AD.


for some unclear reason rsonline does not want to make business with me. i also tried a sample from AD, but no answer yet.
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andrewF



Joined: Dec 29, 2006
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PostPosted: Thu Jul 19, 2007 6:48 am    Post subject: Reply with quote  Mark this post and the followings unread

Fired up my Rev01 Mankato for the 1st time today
Very Impressive!
Thanks and kudos to Magic Smoke and Thomas Henry
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Tim Servo



Joined: Jul 16, 2006
Posts: 924
Location: Silicon Valley
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PostPosted: Thu Jul 19, 2007 10:04 am    Post subject: Anybody want a Rev01 Mankato PCB?
Subject description: Sound samples
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Etaoin wrote:
"My First Youtube video" with the Rev01 Very Happy
http://www.youtube.com/watch?v=6EsOUeHvf-8

and an mp3 with a drum box:
http://www.casia.org/modular/sq1_mankato.mp3


Neat! I like the first one, especially around 2:40 where it slows and gets a little funky, and the second sample with the drum box is AWESOME! I've had it playing in the background this morning while I'm working on a bunch of CAD drawings at Tesla. That sounds like some 6dB crunchiness if I'm not mistaken. Thanks for sharing!!

Tim (having some crunchiness for breakfast) Servo
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bitmonkey



Joined: Sep 20, 2005
Posts: 20
Location: Florida

PostPosted: Thu Jul 19, 2007 10:56 am    Post subject: Reply with quote  Mark this post and the followings unread

Great stuff, Louis. Thanks for taking the time to post all of that.

BTW: I know what "etaoin" means. Do I win anything? Wink

Embarrasingly, I'm still waiting for a few parts, so I still don't have a functioning Mankato. Doh! Servo's got 2 -- or is it 3, now?

John
magsmoke.com
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Etaoin



Joined: Jun 30, 2005
Posts: 761
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PostPosted: Thu Jul 19, 2007 11:02 am    Post subject: Re: Anybody want a Rev01 Mankato PCB?
Subject description: Sound samples
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Tim Servo wrote:
That sounds like some 6dB crunchiness if I'm not mistaken.


I'm sorry to say that you are mistaken, as it is the 18dB output on both Wink

The drum box, by the way, is a humble Boss DR-220e. The only thing I have that can take sync pulses from the MFOS sequencer...

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bitmonkey



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PostPosted: Thu Jul 19, 2007 11:15 am    Post subject: Reply with quote  Mark this post and the followings unread

bitmonkey wrote:

Embarrasingly...


Embarrassingly, I didn't notice my typo until it was too late!

John
magsmoke.com
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