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Old 30th August 2011, 01:55 PM   #1
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Default Full regulated power supply for 12au7(preamp)

Hi to all,

I am wondering if anyone here knows a electronic circuit that it could regulated (high voltage and heater) beacuse i have build a preamp with 12au7 tube and i think that is necessary to built one full regulated psu for my preamp.

Please if anyone knows something more help me...
Thanks.
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Old 30th August 2011, 09:06 PM   #2
alex mm is offline alex mm  Romania
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Location: Baia Mare ,
Default My tube preamplifier with ECC83

...... maybe this will help you , try to find Dr.Bora Jagodic design ADAGIO from this link :::Borina Amaterska Svastara::: . step - Audio - Pretpojacala -Adagio Tube Reference and you will see hi end tube preamplifier with ton correction , bypas power supply .
I have attach some pictures of my preamplifier . I have mached with Grommes260A audio amplifier .
Al the best Alex.
Attached Images
File Type: gif 300Vstab-raspored.gif (50.6 KB, 503 views)
File Type: jpg ADAGIO PCB.jpg (232.0 KB, 481 views)
File Type: jpg ADAGIO TUBE.JPG (449.7 KB, 460 views)
File Type: jpg IMG_3026.jpg (154.6 KB, 446 views)
File Type: jpg IMG_3027.jpg (141.0 KB, 432 views)
File Type: jpg IMG_3146.jpg (55.1 KB, 171 views)
File Type: jpg INTERIOR.jpg (156.0 KB, 165 views)
Attached Files
File Type: pdf adagio-sema.pdf (56.5 KB, 200 views)
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Old 5th September 2011, 10:17 AM   #3
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Thank you for your help Alex.
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Old 5th September 2011, 01:20 PM   #4
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If do not need to adjust color sound

The line a little more complicated.
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