New aleph mini build

[Bangla H]

Aleph Bias

Hi milosz.

It has me cost any time to understand a bit more about Nelsons Aleph patented topology.
I miss the R27- see picture in bias arrangement- there are shown any options in different threads here.
Because i don't better know i have also used this boards and found two failures
first: in FB pad; second:bias arrangement via multi trimmer and resistor (only
play with this value to came to 68k). 🙄
And not forget XLR or RCA mods.

And what is the voltage across a 0,47 ohm resistor actually?
In my first setup i only could get 0,265mV across. 😕

 

[milosz]

Hi milosz.

It has me cost any time to understand a bit more about Nelsons Aleph patented topology.
I miss the R27- see picture in bias arrangement- there are shown any options in different threads here.
Because i don't better know i have also used this boards and found two failures
first: in FB pad; second:bias arrangement via multi trimmer and resistor (only
play with this value to came to 68k). 🙄
And not forget XLR or RCA mods.

And what is the voltage across a 0,47 ohm resistor actually?
In my first setup i only could get 0,265mV across. 😕

I can't answer your questions. I have not worked with that "aleph j" design, the boards I used are based on this schematic:

 

[Bangla H]

A ishould better looking 🙂 yours is working full power.
And i mean source resistor 0,33 ohm, but not necessary it worked.😀