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Old 14th July 2012, 08:04 PM   #1311
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Originally Posted by Michael Rothacher View Post
I tried higher B+ and higer drain loads early-on (see the 2SK82 + Lightbulbs thread) I settled in elsewhere because I liked the dimmer glow-factor and I didn't have any 100V caps. How's that for scientific?
I did try 64 volt VDD with a 500w(220Volt) light bulb. Vdrain at around 18 , and I did like it . But I will try also a light bulb of 700w for a little more current .

s
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Old 18th July 2012, 10:40 PM   #1312
KASUMI is offline KASUMI  United Kingdom
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Still playing
resistors changed to some Audio Note Tants with pleasing results and some analogue meters fitted to measure Id and Vds with the bias pot finally on the front making it soo much easier to find that sweet spot

Click the image to open in full size.

Last edited by KASUMI; 18th July 2012 at 10:48 PM.
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Old 18th July 2012, 11:38 PM   #1313
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Superb.

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Old 18th July 2012, 11:40 PM   #1314
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that is very sexy! Looks like some sci-fi machine.
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Old 19th July 2012, 08:05 AM   #1315
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Fugly!

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Old 19th July 2012, 07:24 PM   #1316
KASUMI is offline KASUMI  United Kingdom
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Thanks Gents not you Zen Mod,how dare you ......they're gorgeous

Seriously though ,once I'm happy with the bits underneath I'll box it up and make it look sexy,thinking copper top plate with a nice wood surround.
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Old 19th July 2012, 08:24 PM   #1317
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Hey guys, I don't know if you've seen this new article from Papa.
http://www.firstwatt.com/pdf/art_sit_nemesis.pdf

Anyway, it has some really interesting news. "Also I have reason to believe that we will see some new SIT parts from a couple of sources in the coming year – parts that you should be able to actually buy.
You should probably start saving for them now..."
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Old 19th July 2012, 10:09 PM   #1318
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Hey guys, I don't know if you've seen this new article from Papa.
http://www.firstwatt.com/pdf/art_sit_nemesis.pdf

Anyway, it has some really interesting news. "Also I have reason to believe that we will see some new SIT parts from a couple of sources in the coming year – parts that you should be able to actually buy.
You should probably start saving for them now..."

mmmm how nice !
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Old 20th July 2012, 11:25 AM   #1319
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Nice work. Love the meters.
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Old 25th July 2012, 12:19 PM   #1320
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Default Some SIT Pics

Here's my take on the CCS SIT amp. It's almost complete. Was going to name it MR SITA for Mike Rothacher Static Induction Transistor Amp.

Hope you approve!
Attached Images
File Type: jpg SIT_1.jpg (118.5 KB, 329 views)
File Type: jpg SIT_2.jpg (890.0 KB, 324 views)
File Type: jpg SIT_3.jpg (109.4 KB, 311 views)
File Type: jpg SIT_4.jpg (123.1 KB, 304 views)
File Type: jpg SIT_5.jpg (129.7 KB, 139 views)
File Type: jpg SIT_6.jpg (143.5 KB, 160 views)
File Type: jpg SIT_7.jpg (582.8 KB, 191 views)
File Type: jpg SIT_8.jpg (110.5 KB, 179 views)
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