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 Forum index » DIY Hardware and Software
Resonant Lopass Gate PCB's (New Batch 4/29/12)
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Sine



Joined: Sep 10, 2007
Posts: 111
Location: Netherlands

PostPosted: Tue Nov 18, 2008 4:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

wmonk wrote:
Boards arrived in the Netherlands today! WHeeyaa!

Thanks Thomas!


\o/ Yes, they arrived here too, great work Thomas !

krisp14u wrote:
Had some fun building and playing with a triple LPG this afternoon/evening
All I can say is what a sweet project to build 10 out of 10 Thomas for the board layout may you do many more

image


Oohh ... I have been looking for a good source for these knobs, but without a name they are hard to google Wink
Do you know anyone who sells them ?
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slo



Joined: Feb 18, 2007
Posts: 204
Location: Victoria, BC
Audio files: 1

PostPosted: Tue Nov 18, 2008 7:41 pm    Post subject: Reply with quote  Mark this post and the followings unread

Boards arrived in Canada, thanks for this Thomas.
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Dego



Joined: Apr 22, 2008
Posts: 139
Location: Sweden

PostPosted: Wed Nov 19, 2008 12:40 am    Post subject: Reply with quote  Mark this post and the followings unread

I got mine this monday in Sweden....
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intercorni



Joined: Jun 04, 2007
Posts: 69
Location: hamburg

PostPosted: Wed Nov 19, 2008 3:23 am    Post subject: Reply with quote  Mark this post and the followings unread

Boards arrived in Germany, thanks for this Thomas.
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krisp14u



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

PostPosted: Wed Nov 19, 2008 5:57 am    Post subject: Reply with quote  Mark this post and the followings unread

Sine wrote:


krisp14u wrote:
Had some fun building and playing with a triple LPG this afternoon/evening
All I can say is what a sweet project to build 10 out of 10 Thomas for the board layout may you do many more

image


Oohh ... I have been looking for a good source for these knobs, but without a name they are hard to google Wink
Do you know anyone who sells them ?


http://www.maplin.co.uk/Module.aspx?ModuleNo=1803

Maplin only have that size and the large ones I would love the size in the middle that the Modcan B modules use

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fadeddata



Joined: Dec 27, 2004
Posts: 43
Location: Nashville TN

PostPosted: Thu Nov 20, 2008 9:35 pm    Post subject: Reply with quote  Mark this post and the followings unread

I received the boards. Thanks Thomas!

Attached is my Modcan layout...


lpg.jpg
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lpg.jpg



Last edited by fadeddata on Fri Nov 21, 2008 7:38 am; edited 3 times in total
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djthomaswhite



Joined: Nov 22, 2007
Posts: 140
Location: Orange, CA

PostPosted: Thu Nov 20, 2008 11:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

Where is your "offset" control?

Thomas

PS. Looks nice otherwise! Great use of almost all mixer inputs!!!

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LektroiD



Joined: Aug 23, 2008
Posts: 1019
Location: Scottish Borders
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PostPosted: Thu Nov 20, 2008 11:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

still nothing arrived here Sad
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fadeddata



Joined: Dec 27, 2004
Posts: 43
Location: Nashville TN

PostPosted: Fri Nov 21, 2008 7:40 am    Post subject: Reply with quote  Mark this post and the followings unread

Woops! Smile

Hah! Fixed.

-dustin
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sduck



Joined: Dec 16, 2007
Posts: 459
Location: Nashville
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PostPosted: Fri Nov 21, 2008 7:44 am    Post subject: Reply with quote  Mark this post and the followings unread

Great looking panel Fadedata! I'm liking modcan stuff more and more....

I think he's got the offset control labeled as Freq - in fact that's how it's labeled on one of your panels, Thomas. When I was deconstructing your 2u/1lpg panel design to suit my needs, I debated about whether to change the label to offset, and eventually did.
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BananaPlug



Joined: Jul 04, 2007
Posts: 307
Location: Philly
Audio files: 5

PostPosted: Fri Nov 21, 2008 9:00 am    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
Attached is my Modcan layout...

When you make a Modcan A panel where do you get the piece of metal and how do you do the graphics. FYI folks, the Modcan A panels are about .15" thick.
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fadeddata



Joined: Dec 27, 2004
Posts: 43
Location: Nashville TN

PostPosted: Fri Nov 21, 2008 4:31 pm    Post subject: Reply with quote  Mark this post and the followings unread

sduck:
The original image didn't have either Wink I fixed it...

What should the labeling be? Offset or Frequency, I guess I don't understand how that control would be an offset from watching the videos...

BananaPlug:
I've built a few EFM modules with aluminum panels I made out of stop sign material and taping panel controls to the front (yuck). My current direction is to use Front Panel Express to get the panel with holes cut and then use my companies laser engraver to do the graphics. From the tests I've done it should come out very similar to Bruce's masking method.

-dustin
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BananaPlug



Joined: Jul 04, 2007
Posts: 307
Location: Philly
Audio files: 5

PostPosted: Fri Nov 21, 2008 5:10 pm    Post subject: Reply with quote  Mark this post and the followings unread

Yeah, FPE for the holes and a laser for the graphics. That's what I've settled on too. Laser shop #1 didn't turn out to be practical but I'm about to try another place. Hey, can you laser other people's panels at work, for some fee?
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djthomaswhite



Joined: Nov 22, 2007
Posts: 140
Location: Orange, CA

PostPosted: Fri Nov 21, 2008 5:41 pm    Post subject: Reply with quote  Mark this post and the followings unread

WARNING... WARNING... WARNING!!!

It has come to my attention that my US builder list for Mouser has INCORRECT part numbers for the pots. The module needs linear pots and somehow I listed audio-taper ones in the BOM. Take heed of this warning and make sure to use linear, particularly for the OFFSET pot. The resonance pot could be audio and not make too much difference in operation. SO SORRY guys! I guess for this one thing to slip through the crack is not too bad considering, but I hate mistakes none-the-less. I'll get the BOM corrected ASAP.

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numbertalk



Joined: May 05, 2008
Posts: 992
Location: Austin, TX
Audio files: 5

PostPosted: Sun Nov 23, 2008 2:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

Do you have part #s for those 16mm pc mount alpha pots for 50K & 10K in Linear taper? All the pc mount ones I found at Mouser were either Audio taper or 24mm.
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fadeddata



Joined: Dec 27, 2004
Posts: 43
Location: Nashville TN

PostPosted: Sun Nov 23, 2008 2:31 pm    Post subject: Reply with quote  Mark this post and the followings unread

BananaPlug:

Currently I'm not all that interested in starting any kind of business around laser engraving panels. Sorry...

-dustin
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Luka



Joined: Jun 29, 2007
Posts: 1003
Location: Melb.

PostPosted: Mon Nov 24, 2008 5:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

boards arrived today
thanks mr white

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melbourne australia
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LektroiD



Joined: Aug 23, 2008
Posts: 1019
Location: Scottish Borders
Audio files: 2
G2 patch files: 2

PostPosted: Thu Nov 27, 2008 9:31 am    Post subject: Reply with quote  Mark this post and the followings unread

Still nothing has showed up. I'm considering selling the components I bought as a batch for anyone that hasn't yet got round to purchasing them. This includes ICs, Vactrols, and basically everything you need to complete two boards, minus resistors. I have a pair of VTL5C3 & a pair of VTL5C4's, my intention was to build both slower and faster versions of the same circuits. Preferably someone in the UK to save on postage. If anyone shows interest, I'll list out everything I have and what I want for it all.
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Tasmanian Alkaloid



Joined: Jun 29, 2008
Posts: 116
Location: Isle De Mort

PostPosted: Thu Nov 27, 2008 6:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

My boards arrived in Oz, thanks Thomas.
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sduck



Joined: Dec 16, 2007
Posts: 459
Location: Nashville
Audio files: 5

PostPosted: Thu Dec 04, 2008 6:44 am    Post subject: Reply with quote  Mark this post and the followings unread

I bought a bunch of 17mm alpha linear taper pcb mount pots that work -

10k - mouser # 31CW401F
50k - mouser # 31CW405F

The pcb leads seem a bit flimsy, so you might not want to do a panel mount using just these, but with a bracket they should be fine.

And there's also the old standby spectrol 249's but for some reason the price has gone up to 11 dollars and some change for each of these - I think I just bought the last 2 of these I'll be getting.
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The Alison Project



Joined: Jul 21, 2006
Posts: 187
Location: Canada
Audio files: 2

PostPosted: Fri Dec 05, 2008 11:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

sduck wrote:
I bought a bunch of 17mm alpha linear taper pcb mount pots that work -

10k - mouser # 31CW401F
50k - mouser # 31CW405F

The pcb leads seem a bit flimsy, so you might not want to do a panel mount using just these, but with a bracket they should be fine.

And there's also the old standby spectrol 249's but for some reason the price has gone up to 11 dollars and some change for each of these - I think I just bought the last 2 of these I'll be getting.


What's the degree of turn on these, I ordered the 31CA401F and 405F and they turn from 0 to approx 8, so I won't be using these ones..

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sduck



Joined: Dec 16, 2007
Posts: 459
Location: Nashville
Audio files: 5

PostPosted: Sat Dec 06, 2008 12:18 pm    Post subject: Reply with quote  Mark this post and the followings unread

I hadn't thought to check that. But I just did. The ones I got go from 0 to about 9. Not ideal but useable. There's probably a better option out there...
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numbertalk



Joined: May 05, 2008
Posts: 992
Location: Austin, TX
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PostPosted: Sat Dec 06, 2008 1:36 pm    Post subject: Reply with quote  Mark this post and the followings unread

Will the ones from Futurlec work?
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a_guy_called_tom



Joined: Jun 21, 2008
Posts: 31
Location: mountains

PostPosted: Sun Dec 07, 2008 12:28 pm    Post subject:   Reply with quote  Mark this post and the followings unread

Just finished two boards. Great project, great documentation, great sound thanks


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djthomaswhite



Joined: Nov 22, 2007
Posts: 140
Location: Orange, CA

PostPosted: Sun Dec 07, 2008 2:32 pm    Post subject: Reply with quote  Mark this post and the followings unread

Looks awesome Tom! Cleam, mean and with the silver gleam!

Please post details of your power hook up... Looks like goes to Doepfer?

Thomas

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