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It is currently 16 Dec 2018, 13:54

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 Post subject: Re: 4S preamp project
PostPosted: 06 Dec 2018, 21:06 
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Joined: 19 Oct 2018, 15:30
Posts: 35
Location: Montréal, Québec
Is this high res enough ?


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 Post subject: Re: 4S preamp project
PostPosted: 10 Dec 2018, 05:13 
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Joined: 28 Sep 2018, 05:23
Posts: 2
Can I be interested in a wiring diagram? Would you like to build by your (:


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 Post subject: Re: 4S preamp project
PostPosted: 10 Dec 2018, 14:50 
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Joined: 19 Oct 2018, 15:30
Posts: 35
Location: Montréal, Québec
Jakub wrote:
Can I be interested in a wiring diagram? Would you like to build by your (:


I’m not shure if I understand exactly what you meant, but here is the link for the power supply schematic and I have uploaded the shematic for the amp and buffer sections.
http://diyaudioprojects.com/Tubes/Universal-Tube-Preamplifier/4S-Universal-Tube-Preamplifier-Power-Supply-Schematic.png
Original 4S writeup :
http://diyaudioprojects.com/Tubes/Universal-Tube-Preamplifier/


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 Post subject: Re: 4S preamp project
PostPosted: 12 Dec 2018, 13:48 
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Joined: 19 Oct 2018, 15:30
Posts: 35
Location: Montréal, Québec
Suncalc wrote:
Does the ground lift switch make any difference in the noise?
Is the noise the same in both channels?
Can you pos a high resolution picture of you wiring?


What do you think of my grounds ? I’m reading the write up on grounding and shielding and I start to realize some errors. I did not wire things up so the signal and power grounds are seperated...


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