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JB Tetra Sans PS Phono Stage

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arindamcc

Active Member
Joined
Feb 28, 2009
Messages
374
Points
28
Location
Kolkata
This is my first Tube Project..... Tetra Sans PS

Here is some picture of My Tetra Sans Ps

Tube Socket are Belton 9 Pin Miniature PC Mount Micalex Socket

Power Resistor are Vishay(BC) PR03 5% Metal Flim

Blue capacitor are BC (PHILIPS) KP462 1% Polypropylene

Black Resistor are Vishay Bulk Foil 1%






 

aks07

Well-Known Member
Joined
Nov 4, 2008
Messages
349
Points
63
Location
????? ????? ????
If I had to build one modern tube project then this would be the one.

Due to the slightly complicated design a PCB is helpful which do not seem to be available right now. Maybe once the PCB is again available for sale I might take the plunge.

What tubes you are planning to use? ECC88 family and ECC81 should be a good combination with enough gain to not need a line stage.
 

arindamcc

Active Member
Joined
Feb 28, 2009
Messages
374
Points
28
Location
Kolkata
If I had to build one modern tube project then this would be the one.

Due to the slightly complicated design a PCB is helpful which do not seem to be available right now. Maybe once the PCB is again available for sale I might take the plunge.

What tubes you are planning to use? ECC88 family and ECC81 should be a good combination with enough gain to not need a line stage.

First stage I want to use E88CC or 6922 and second stage is 12AT7 total gain of this preamp is 41db (28+33.6-20) approx my Cartridge is Audio Technica AT120E which deliver 5mv so i think 41db is sufficient for today's modern solid state amplifier.
 
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