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Tube design testbed



 
 
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Old November 10th 07, 09:30 AM posted to rec.audio.tubes,uk.rec.audio
Ian Thompson-Bell[_2_]
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Posts: 73
Default Tube design testbed

Don Pearce wrote:
On Fri, 09 Nov 2007 22:18:26 +0000, Ian Thompson-Bell
wrote:

Ian Thompson-Bell wrote:
Don Pearce wrote:
The piece of wood is actually a pretty good idea, as it allows you to
manage your grounds properly, something it is much harder to do when
everything is bolted to a chassis.

After an evenings surfing I came across this little gem:

http://www.duntemann.com/radiogallery.htm

I have just order some single sided boards and a mini drill from Maplin.

Cheers

Ian

I got some copper clad SRBP and a mini-drill and made myself some
prototyping boards along the lines of the above URL. Here are a couple
of pics:

http://i103.photobucket.com/albums/m...ds/dualb7g.jpg

http://i103.photobucket.com/albums/m.../singleb7g.jpg

Cheers

Ian


There is an easier and tidier way to make straight gaps on PCB
material.

Using a scalpel or a Kraft knife, cut through the copper on both sides
of the line. Then starting at one end, melt a little solder onto the
bit you want to remove. If you do this at the end you will be able to
lift the copper there with the tip of a blade. Now run the soldering
iron steadily along the piece you are removing, lifting it with a pair
of pliers as you go along.

You can do this really quickly with a bit of practice.

d


Tanks, I'll try that. The current method is rather laborious, noisy and
does not give a particularly neat result.

Cheers

Ian
 




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