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Old 20th December 2004, 05:00 PM   #1
Franz G is offline Franz G  Switzerland
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Default Projects for next hollidays (the world smallest VBITNGC??)

Today, I bought some very small alu cases (60x50x35mm) and immediately had this vision:

Click the image to open in full size.

The world smallest (?) tube buffered inverting t-network gainclone (please, dont mention heath, the heathsinks are too small).

Of course, I will lead cables in and out, for the power supply, in- and output, as there is hardly space for connectors.

@Upupa: dont worry, this project is just for fun! I know, the internal resistance of this tube is too high, but I want to play with it.

Don't worry, to show here your project, for the christmas time!

Franz

P.S.
Another (the first?) project is a real tube amp, with a LCLC PSU and just one stage (SPUD, 6S45 tubes):

Click the image to open in full size.

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Old 20th December 2004, 05:02 PM   #2
Nuuk is offline Nuuk  United Kingdom
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Franz, will you take time out to eat your Christmas lunch?
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Old 20th December 2004, 05:07 PM   #3
Franz G is offline Franz G  Switzerland
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While working like a workaholic, I always forget to eat...

Funny idea, with the silver 1AD4, sitting on the top of the box, isn't it?

Maybe, I will anodize the box...

Franz
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Old 20th December 2004, 05:11 PM   #4
Nuuk is offline Nuuk  United Kingdom
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Well, my 'project' will be to eat a nice big bar of Toblerone, the best thing to come out of Switzerland (apart from you Franz).
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Old 20th December 2004, 05:17 PM   #5
Franz G is offline Franz G  Switzerland
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Thanks for the compliment, Nuuk!

But dont forget: Toblerone was a invention, made here in Bern. Today imho owned by Rowntree or another UK company.

No longer Swiss, in my opinion! And: here in Bern, Ruedi Lindt, invented the long during process, to produce melting chocolate, by using a machine, called Conche.

Today, they use a quick process, pressing the mass throug some small holes. Not the same, definitively!

The best available chocolate comes (imho) from Belgium, today. And next: out of U.K.

Franz

BTW:
Here in Bern, we still have a small and very sucessfully chocolate factory, the name: GYSI (not my family ((). And they produce a lot for UK, sold under many brands (Homemade...)
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Old 20th December 2004, 05:43 PM   #6
Giaime is offline Giaime  Italy
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Yes, and what about Sovtek Toblerone? I heard that JJ/Tesla one is better...
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Old 20th December 2004, 05:48 PM   #7
Nuuk is offline Nuuk  United Kingdom
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So my lovely Toblerone is not the real thing!

My brother used to bring me Merci chocolates from Germany. They were very good but I am not sure where they were actually made.

Back OT, I intend to try the snubbered PSU over Christmas. I have another longer-term plan and that is to take the tube buffers from
this pre amp and build them into my VBIGC.
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Old 20th December 2004, 07:11 PM   #8
steenoe is offline steenoe  Denmark
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Quote:
The best available chocolate comes (imho) from Belgium, today. And next: out of U.K.
No way, Franz, that would be Valrona from France! All Chef's
agree on that.
Good luck with your holiday projects.

Steen.
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Old 21st December 2004, 12:51 AM   #9
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Nah, the best invention that comes from Switzerland are by far the nifty small foldable knives with lots of tools on.
I guess not many of them as actually manufactured in Switzerland anymore. You make quite a few nice clocks/watches as well.
But most of all you are known to make good looking high quality stuff (and expensive), so we hope your build lives up to these standards...

How on earth are you going to fitt all of that in that small box?
The components alone seems to take more space than you got in the box.
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Old 21st December 2004, 08:28 AM   #10
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MY holiday project will be an attempt to finish my VBIGC and some Lindt schocolade (I bet I spelt that wrong )
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