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Old 6th January 2012, 12:10 PM   #201
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Originally Posted by Variac View Post
I'd guess it would be around the 15th of January...
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Old 6th January 2012, 12:21 PM   #202
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I received some big power resistors yesterday. I'll test them out for my friends in incandescently challenged parts of the world and report back after the weekend.
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Old 6th January 2012, 02:17 PM   #203
generg is offline generg  Germany
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Originally Posted by OlavHaal View Post
Hi again!

With this solution you get too many bulbs in parallell - i.e 230v x 230=52900 divided on 150=352 ohm. Then you have to parallell many such bulbs to get 12 ohm! Why not choose 150 watt/24 volt small halogen bulbs. 3 bulbs in seriell will give you approximately = 11,52 ohm and 3x 150watt= 450 watt. Easier wattage than many 230/150 watt big bulbs?

Anyone to comment?

Best to all

Olav
yes Olaf, you are right......

I just tried them with 54V and and the end of the line I had at the drain 0,8V

UUUPs! I did it not do it again with the second bulb parallel.....

seems I was too fascinated, lurking in my basement for a fitting bulb, saw the red one, measured 23 Ohm cold resistance and Ohms Law didn't exist any more in my brain.....

so we enjoy two infrared bulbs in our home and we can cure two persons at one time.....
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Old 6th January 2012, 02:19 PM   #204
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My good friend Tony Wong's SIT amplifer almost complete .. Here's some pics of the amp..
Attached Images
File Type: jpg SIT amplifer.JPG (198.8 KB, 702 views)
File Type: jpg SIT Amplifer pic 2.JPG (101.1 KB, 666 views)
File Type: jpg SIT Amplifer pic 3.JPG (142.5 KB, 670 views)

Last edited by BTW; 6th January 2012 at 02:38 PM.
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Old 6th January 2012, 03:34 PM   #205
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so we enjoy two infrared bulbs in our home and we can cure two persons at one time.....
haha ! that is true!
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Old 6th January 2012, 03:59 PM   #206
generg is offline generg  Germany
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It`s a true lie .........!
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Old 6th January 2012, 04:01 PM   #207
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Quote:
Originally Posted by BTW View Post
My good friend Tony Wong's SIT amplifer almost complete .. Here's some pics of the amp..
terrific!!
Click the image to open in full size.
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Old 6th January 2012, 05:46 PM   #208
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My good friend Tony Wong's SIT amplifer almost complete
Wow, very cool.
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Old 7th January 2012, 08:03 AM   #209
Vix is offline Vix  Yugoslavia
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My good friend Tony Wong's SIT amplifer almost complete .. Here's some pics of the amp..
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Old 7th January 2012, 12:07 PM   #210
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Hi Guys,

Thanks for your kind comments.. I'm looking forward to hearing it.. Btw Tony managed to get hold of some vintage casing/casting that can be used for the Sony SIT.... Pics below..
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File Type: jpg Sony 2SK82.jpg (334.4 KB, 158 views)
File Type: jpg Sony 2SK82 - 2.jpg (324.0 KB, 201 views)
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