Photo Gallery - Page 144

planet10 · 22nd January 2007, 02:33 AM

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

djn · 24th January 2007, 01:46 AM

Here is my John Hogan 6SN7/26/300B amp in a stand I made...Cheers.

djn · 24th January 2007, 01:46 AM

zigzagflux · 24th January 2007, 02:21 AM

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.

ulibub · 24th January 2007, 11:46 AM

Hi all!

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

For a description see thread 6C33 design comments

My amp from above:

Uli

rcavictim · 24th January 2007, 06:35 PM

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!

FastEddy · 24th January 2007, 07:35 PM

ulibub: ... gotta be a valve maker's wet dream ... Very nice, very busy ... how many channels?

Wavebourn · 24th January 2007, 07:53 PM

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.

AKN · 24th January 2007, 08:19 PM

Hi,

Quote:

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

Please one more photo, whith light turned down in room.

Wavebourn · 26th January 2007, 09:24 PM

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.

24th January 2007, 01:46 AM	#1433
djn diyAudio Member Join Date: Oct 2004 Location: Waterford Michigan	I dont think my pic went through so here it is again __________________ My "Art" website http://home.comcast.net/~djnagle/site/

24th January 2007, 06:35 PM	#1436
rcavictim diyAudio Member Join Date: Jun 2004 Location: Cool end of a soldering iron NW of Toronto	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! __________________ I.Q.Test. Have you ever purchased a recreational snowmobile?

26th January 2007, 09:24 PM	#1440
Wavebourn diyAudio Member Join Date: Sep 2006 Location: Pleasant Hill, CA	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. __________________ If I disappear suddenly, that means I finally created a time machine and pushed wrong button that brought me to Stalin's Russia. In any experiment any result is the result. Even if it is negative.

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24th January 2007, 01:46 AM	#1432
djn diyAudio Member Join Date: Oct 2004 Location: Waterford Michigan	Here is my John Hogan 6SN7/26/300B amp in a stand I made...Cheers.

24th January 2007, 11:46 AM	#1435
ulibub diyAudio Member Join Date: Nov 2006 Location: Lorraine	Hi all! Here is a photo of my 6C33C-B circlotron amp: For a description see thread 6C33 design comments My amp from above: Uli

24th January 2007, 07:35 PM	#1437
FastEddy diyAudio Member Join Date: Jun 2006 Location: North Californie	ulibub: ... gotta be a valve maker's wet dream ... Very nice, very busy ... how many channels?