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 Forum index » DIY Hardware and Software » Thomas Henry designs
Building a Synthesizer
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Thomas_Henry



Joined: Jul 24, 2009
Posts: 170
Location: N. Mankato, MN
Audio files: 3

PostPosted: Tue Jan 17, 2017 7:44 pm    Post subject: Building a Synthesizer
Subject description: Free video for your viewing pleasure!
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Hello Gang,

Some eight years ago I put together a big video, "Building a Synthesizer." The goal, of course, was to make back enough money to pay for all the time and effort I put into it. Hah! Never got a single royalty payment on it...

So, I've decided to release it to the gang here on EM, free of charge of course.

You can find it as an MP4 file at:

https://drive.google.com/file/d/0Bx5_5krPS9HMbW1OcVBBejFIcDA/view?usp=drivesdk

It's about 900 meg, so a big download, but then again it clocks in at 2 hours and 30 minutes. Don't be surprised that there's a few seconds blacked out at the start and the end of it; I removed some no longer relevant addresses, etc.

As usual, please don't copy or sell it, but just send people here to EM to get it. And again, it really is free, but if you get some good out of it and feel like making a small donation, you can at:

https://PayPal.me/THReprints

By the way, the lisp is included free of charge as well...

Thomas Henry

Last edited by Thomas_Henry on Wed Jan 18, 2017 9:39 pm; edited 1 time in total
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PHOBoS



Joined: Jan 14, 2010
Posts: 4486
Location: Moon Base
Audio files: 627

PostPosted: Wed Jan 18, 2017 7:31 am    Post subject: Reply with quote  Mark this post and the followings unread

wow, thank you very much for that!
I am pretty sure I will enjoy watching it and learn a lot from it.

Popcorn time

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SoundCloud BandCamp MixCloud Stickney Synthyards Captain Collider
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Grumble



Joined: Nov 23, 2015
Posts: 1007
Location: Netherlands
Audio files: 27

PostPosted: Wed Jan 18, 2017 10:22 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Thomas Henry,

Watched you movie with interrest, it's nice to see a face that goes with a familiar name Very Happy

I know the movie is kinda old, but maybe I could add a hint: At some point in the construction of a front panel, you make holes for midi din connectors with a punch and you add that you can't drill holes this big at home.
Well, and maybe you know but others don't, you can and I did using a pagoda drill bit in a cordless drill....
Posted Image, might have been reduced in size. Click Image to view fullscreen.
I bought it HERE and it will cost you between about 4 and 8 us$
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Cfish



Joined: Feb 24, 2016
Posts: 473
Location: Indiana

PostPosted: Wed Jan 18, 2017 1:40 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks Thomas. Now I have something to watch tonight.
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LFLab



Joined: Dec 17, 2009
Posts: 491
Location: Rosmalen, Netherlands

PostPosted: Wed Jan 18, 2017 2:28 pm    Post subject: Reply with quote  Mark this post and the followings unread

Grumble wrote:
Hi Thomas Henry,

Watched you movie with interrest, it's nice to see a face that goes with a familiar name Very Happy

I know the movie is kinda old, but maybe I could add a hint: At some point in the construction of a front panel, you make holes for midi din connectors with a punch and you add that you can't drill holes this big at home.
Well, and maybe you know but others don't, you can and I did using a pagoda drill bit in a cordless drill....
Posted Image, might have been reduced in size. Click Image to view fullscreen.
I bought it HERE and it will cost you between about 4 and 8 us$


Everybody should use these when drilling sheet metal, they are a lot safer than spiral drills. Obviously, clamping workpieces down is still important.
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PHOBoS



Joined: Jan 14, 2010
Posts: 4486
Location: Moon Base
Audio files: 627

PostPosted: Wed Jan 18, 2017 2:50 pm    Post subject: Reply with quote  Mark this post and the followings unread

I always wanted those drills but they seem to cost a fortune, about 10x as much as the ones listed above.
But if those work ok I guess I could get me some.

Watching the video at moment, currently the PCB etching process. I was actually expecting more on the electronics side
but I like watching DIY videos so it is very enjoyable. oh, just something about the PCB transfer, I don't know about P&P
but when doing toner transfers on frontpanels, putting it in cold water when still hot was actually what ruins it. Rolling Eyes

note to anyone else wanting to watch it: there is a part that repeats but it continues after it. fixed.

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SoundCloud BandCamp MixCloud Stickney Synthyards Captain Collider

Last edited by PHOBoS on Fri Jan 20, 2017 9:13 am; edited 1 time in total
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Thomas_Henry



Joined: Jul 24, 2009
Posts: 170
Location: N. Mankato, MN
Audio files: 3

PostPosted: Wed Jan 18, 2017 9:49 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi Guys,

Thanks for the comments.

I fixed the file and the link to it. I don't how Chapter 5 got repeated twice; I probably shouldn't use a video editor after cocktails. But now it should play through without repetition.

When I was the Audio Specialist at the University of Iowa Electronic Music Studios, we had a complete set of punches. The swing arms for leverage were three feet long, so one could punch any size hole in about 2 seconds! I remember doing hundreds of holes for jacks practically in my sleep. And each hole was perfectly round with no burrs. A great tool that probably cost a thousand bucks.

Yeah, the video probably shows my age more than anything! But I do really like putzing in the home shop, doing things on the cheap.

Thomas Henry
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Paradigm X



Joined: Feb 15, 2011
Posts: 359
Location: Null and void
Audio files: 2

PostPosted: Fri Jan 20, 2017 8:13 am    Post subject: Reply with quote  Mark this post and the followings unread

wow.

many thanks for your generosity! im trying to send you some beer tokens (or cocktail tokens! Laughing ) but i seem to be locked out of paypal Confused

i will send some when i get back in

cheers thomas!
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khakifridge



Joined: Jul 15, 2014
Posts: 22
Location: UK

PostPosted: Mon Jan 23, 2017 6:46 am    Post subject: Reply with quote  Mark this post and the followings unread

Very generous. On my "to download and watch" list. Thank you, Thomas.
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sixbyseven



Joined: Jan 28, 2016
Posts: 22
Location: hamilton, Ontario

PostPosted: Tue Jan 24, 2017 11:55 am    Post subject: Thank you. Reply with quote  Mark this post and the followings unread

I watched this last night Thomas. You have been a great inspiration to me and many others. I just got back into building analog synthesizers. I had built some back in the late 70s, but went off into the digital world. Funny how our lives circle back now and again. Anyway, I find your contributions to be most helpful, and have even purchased a couple of your PCBs for my modular. Although most of the stuff I make is on strip board, using PCBs makes it a heck of a lot easier with less mistakes on the more complicated circuits.

After watching your video, those cabinets of yours got me thinking about using up all the 19" rack rails I salvaged from the old server cabinets.

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roglok



Joined: Aug 28, 2010
Posts: 201
Location: uptown

PostPosted: Tue Jan 31, 2017 3:47 am    Post subject: Reply with quote  Mark this post and the followings unread

Great watch, thanks a lot for sharing!
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fonik



Joined: Jun 07, 2006
Posts: 3950
Location: Germany
Audio files: 23

PostPosted: Wed Feb 01, 2017 1:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

I am a proud owner of an original DVD! Cool

I always found your explanations, written or in speech, very entertaining. Even though i am not a native speaker i recognize your love for language.

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cheers,
matthias
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inlifeindeath



Joined: Apr 02, 2010
Posts: 316
Location: Albuquerque, NM

PostPosted: Fri Feb 17, 2017 2:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

awesome! i have the DVD as well, I take it this is the same video, or should I DL this too?
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