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Old 24th January 2012, 10:55 PM   #1
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Default line preamplifier with 6c10

hello to everyone

I have designed a line preamplifier with 6c19 because iwanted a litle gain.
The rise is 120 v with load 2k. The cathode resistor i ve put 2k trimmer 1,5k parallel to regulate the milliamper. The best sound passes between 35-50 milliamper.

The gains is sligntly below 2. I ve thougnt to make another for gain.
I would like your opinion.
somone bouilt something similar?

sorre for the not so good English i
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Old 24th January 2012, 10:56 PM   #2
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sorry 6c19 !!!
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Old 24th January 2012, 11:01 PM   #3
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Old 24th January 2012, 11:37 PM   #4
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Ηello Takis , congratulations! , great construction !! .
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Old 24th January 2012, 11:41 PM   #5
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Default No need to say sorry !

WOW

This looks nice
Can you share your schematic

What a nice chassis you have there did it yourself ?

Thanks,

Audiofanatic

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Old 24th January 2012, 11:47 PM   #6
adason is offline adason  United States
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those pics are kinda blurry...
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Old 25th January 2012, 03:21 PM   #7
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001.JPGhere is new shcematic with two 6c19.

i want your opinion.

thank you!
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Old 25th January 2012, 03:25 PM   #8
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those pics are kinda blurry...
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Old 25th January 2012, 03:28 PM   #9
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Old 25th January 2012, 09:27 PM   #10
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Taki why you don't turn the schematic to SRPP instead of two common cathode stages , with SRPP you will have more gain and low output impedance , and you can lower the bias current too .
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