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Hagar

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Old klik fart

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  20/02/2002
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You've Been Circy'd!Teddy Bear
24th February, 2012 at 24/02/2012 14:14:13 -

I have recently finished a project, a valve (vacuum tube if your American ) amplifier. Unlike most modern valve amplifiers it has a full HT (High Tension) filter, with a choke (the thing that looks like a transformer on the front left of the amplifier) and 2 very large capacitors. This means I can turn the amp up fully and there is no mains hum .

Here it is:

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I am going to tidy up the front with some copper sheet or walnut veneer when I get some time. The blue glow on the output valves is actually caused by electrons escaping through holes in the anode , no LED fake nonsense here .

Anyway has anyone else on here built / created something lately? Lego, Plasticine stop motion, anything really ?


 
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ytrewqc



Registered
  19/02/2012
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24th February, 2012 at 24/02/2012 15:30:44 -

Yeah, I have just build this thing:
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I can finally shoot stuff while calling someone!

 
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Fish20



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  03/12/2007
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VIP MemberPS3 OwnerI like Aliens!I'm a Storm TrooperIt's-a me, Mario!I am an April Fool
24th February, 2012 at 24/02/2012 21:16:35 -

^bottom right corner

 
All your base are in another castle, take this.

Clubsoft

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Acoders MemberHas Donated, Thank You!May contain nutsVIP Member360 OwnerI'm an alien!Code Monkey
24th February, 2012 at 24/02/2012 22:16:25 -

Not really all that recent (about a year ago), but this was a fun little project:

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.: ImageApocalyptic Coders - www.acoders.com :.

Hagar

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Old klik fart

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  20/02/2002
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You've Been Circy'd!Teddy Bear
24th February, 2012 at 24/02/2012 23:45:46 -

Love your nixie tube clock Clubby Where did you get the tubes from ? Did you use a microcontroller to do the clock logic?

 
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Clubsoft

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Acoders MemberHas Donated, Thank You!May contain nutsVIP Member360 OwnerI'm an alien!Code Monkey
25th February, 2012 at 25/02/2012 02:03:51 -

The internets! I forgot where from, to be honest

Using a PIC for the clock logic, directly driving the inputs of the tube drivers, which work directly with the tube voltage, so quite a simple circuit

 
.: ImageApocalyptic Coders - www.acoders.com :.

Helvetesvargar



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  28/05/2012 00:01:56
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30th May, 2012 at 30/05/2012 21:30:48 -

I built a jew trap this one time. You just take a mouse trap and put some money where you usually place the cheese.

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  Banned.


 
uuu

jamesh



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  28/02/2012 15:24:25
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30th May, 2012 at 30/05/2012 22:32:02 -

what the fuck?

 
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s-m-r

Slow-Motion Riot

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  04/06/2006
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  878

Candle
31st May, 2012 at 31/05/2012 12:26:26 -

Not true, not good, and not useful. Trolling is an unfortunate by-product of the Information Age.

 
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Muz



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  14/02/2002
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VIP MemberI'm on a BoatI am an April FoolHonored Admin Alumnus
4th June, 2012 at 04/06/2012 12:07:28 -

I've always wanted to see a vacuum tube amplifier, but have nothing to try it with.

 
Disclaimer: Any sarcasm in my posts will not be mentioned as that would ruin the purpose. It is assumed that the reader is intelligent enough to tell the difference between what is sarcasm and what is not.

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