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Old 6th January 2007, 08:40 PM   #51
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Hi kooka
I sent you a mail ...
I'm interesed too in your preamp..

Bye
Alessandro
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Old 11th January 2007, 09:07 PM   #52
Kooka is offline Kooka  Italy
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It's alive
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Old 11th January 2007, 10:11 PM   #53
ilimzn is offline ilimzn  Croatia
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You could save yourself two 220k resistors (OK, not great saving in parts or money but makes the circuit simpler) by reusing the ones from the CCS of the first stage to bias the CCS of the second stage
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Old 11th January 2007, 10:14 PM   #54
Kooka is offline Kooka  Italy
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Quote:
Originally posted by ilimzn
You could save yourself two 220k resistors (OK, not great saving in parts or money but makes the circuit simpler) by reusing the ones from the CCS of the first stage to bias the CCS of the second stage
Did it, jumped later...
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Old 27th February 2007, 09:36 AM   #55
impsick is offline impsick  United States
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kooka hi i was wondering where you got that pot for eagle? i cant find that style of pot anywhere.
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Old 27th February 2007, 09:47 AM   #56
Kooka is offline Kooka  Italy
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Sorry, maybe I did not understando your question, what do you mean?
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Old 27th February 2007, 11:59 AM   #57
impsick is offline impsick  United States
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my bad. the potentiometer in your amp design. where did you get this library file? i need pots like that for eagle soft.
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Old 27th February 2007, 12:06 PM   #58
Kooka is offline Kooka  Italy
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Got it from a friend who designed the amp, I cannot help you because I do not have it too.
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Old 27th February 2007, 12:06 PM   #59
impsick is offline impsick  United States
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ok cool. thanks.
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Old 8th August 2007, 05:20 PM   #60
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Default artQuake's pre 1.1

it began in 2005 with an tube output stage from a tube tuner
1.) Backward engineering stuff to learn
Click the image to open in full size.

2.) Soldering practice
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3.) at the end of practice ... now i did understand that the amplifiing faktor was 1 (so this wasn't a preamplifier ....
Click the image to open in full size.

4.) Further a few surfings and study brought me thru This

with further work on mixing my first impressions (1.) to my final Sovtec 6H30 Tube preamp ...


Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.

This Preamp is really great and i can really recommend to rebuild
this paeg design ... you will be suprised !

regards
artQuake
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