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Old 22nd January 2007, 02:33 AM   #1431
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Quote:
Originally posted by FastEddy
was hoping for clues as to how to do that with something a little more cost effective.
InfraRed filmstock & an analog SL camera would do the trick.

dave
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Old 24th January 2007, 01:46 AM   #1432
djn is offline djn  United States
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Here is my John Hogan 6SN7/26/300B amp in a stand I made...Cheers.
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Old 24th January 2007, 01:46 AM   #1433
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Default I dont think my pic went through so here it is again

Click the image to open in full size.
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Old 24th January 2007, 02:21 AM   #1434
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Quote:
Originally posted by FastEddy
Got a link to the camera specs??

http://www.flirthermography.com/cameras/camera/1060/

That would be essentially the model we use. Sure, you could use infrared film, but infrared imaging cameras allow you to, pixel by pixel, measure the temperature, along with the ability to program emissivity. Infrared film does not actually measure temperature, it only provides an image with relative color.

I can tell you, within a degree, how hot the LM317 heatsink is running, or how hot the plate resistor is. Very beneficial. That all assumes I got the right emissivity, of course.
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Old 24th January 2007, 11:46 AM   #1435
ulibub is offline ulibub  France
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Hi all!

Here is a photo of my 6C33C-B circlotron amp:

Click the image to open in full size.

For a description see thread 6C33 design comments

My amp from above:

Click the image to open in full size.

Uli
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Old 24th January 2007, 06:35 PM   #1436
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Ulibub.

That has to rank as one of the highest tube count, busiest amplifier constructions i have seen. Obviously an enormous amount of time there and if you developed the circuit yourself, much more time that cannot be seen. I haven`t read your description yet.

The Hg rectifier tubes add a nice visual touch.

Nice job!
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Old 24th January 2007, 07:35 PM   #1437
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ulibub: ... gotta be a valve maker's wet dream ... Very nice, very busy ... how many channels?
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Old 24th January 2007, 07:53 PM   #1438
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Quote:
Originally posted by ulibub
Hi all!

Here is a photo of my 6C33C-B circlotron amp:


Looks very impressive, except knobs between hot toobs.
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Old 24th January 2007, 08:19 PM   #1439
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Hi,

Quote:
Here is a photo of my 6C33C-B circlotron amp:
Please one more photo, whith light turned down in room.
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Old 26th January 2007, 09:24 PM   #1440
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New project, 2x120W stereo amp (GU-50 output: Telefunken developed LS-50 stolen in WW-II from enemy)
This time output toobs will be in the transformer compartment, near the rear vent grill.

Click the image to open in full size.
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