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High-End preamplifier with ECC82!

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Hello!:wave:
The measurements refer to the preamplifier is given below in Scheme (Figure 1)!
Please someone let that little comment about this preamplifier, if it does as a power preamplifieramplifier.
Feedback to be about the sound and display measurements if it worked.
If someone izradijo this pretpoačalo and made some measurements and some show here (frequency response and attitude towards the second and third harmonic!!?)
Many thanks in advance!:drink:
 

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Why not ? For best implementation of that circuit , octal tubes such as 6SN7
could be used . Lower and upper tubes would need separate filament supply ,possibly DC regulated ,and the upper one needs also a reference to B+.
Major importance should be given to the power supply section ...which 'sounds' and can be detected as the 'line preamp' circuit .
http://www.webalice.it/jlc891/schemiprechf43.htm
 
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Lets leave aside the silly topic about the source. I don't like this tube but I have some nice NOS 12AU7's so I built this preamp. It sounds quite good. Don't know the reasons why this tubet sounds good in mu follower and awful in a simple grounded cathode configuration (so don't ask me).

BTW, schematic was recommended by Bruce Rozentblitz. Probably misspelled.

EDIT - Mine has a different power supply.
 

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Lets leave aside the silly topic about the source. I don't like this tube but I have some nice NOS 12AU7's so I built this preamp. It sounds quite good. Don't know the reasons why this tubet sounds good in mu follower and awful in a simple grounded cathode configuration (so don't ask me).

BTW, schematic was recommended by Bruce Rozentblitz. Probably misspelled.

EDIT - Mine has a different power supply.

mu follower= SRPP ?
 
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