100W Ultimate Fidelity Amplifier

[maouna]

Hello Apex.What power supply do you suggest in using with MM3 and MM4 phono preamps? One based on LM317-337 or something else like the ones below,series PSU, shunt PSU ?

 

[ThiagoOliveira]

Power Supply for AX11 (Vcc max)?

Hi,

Is safe +/- 42Vcc in AX11?

Thanks.

 

[BC109]

Fixed SX9 PCB.

 

[prasi]

And PCB. 🙂

NOT TESTED

wow! superman, a pcb in less than 2 hours! hats off!

 

[apexaudio]

Hello Apex.What power supply do you suggest in using with MM3 and MM4 phono preamps? One based on LM317-337 or something else like the ones below,series PSU, shunt PSU ?

Go to A-class Preamp PSU

 

[apexaudio]

Hi,

Is safe +/- 42Vcc in AX11?

Thanks.

Yes, but with 8 ohms load only, regards

 

[BC109]

wow! superman, a pcb in less than 2 hours! hats off!

Not really. About 4 hours. 🙂
We talked about this scheme in another forum.

 

[alex mm]

A40 factory PCB

A40 in progres , have to solder, some transistors on boards and will be ready soon . Prototype was tested successfully 🙂
Alex

 

[BC109]

Cool!
Please, can you upload files for that PCB?

 

[alex mm]

Hi,
Files are in post #4145

 

[Vrystaat]

Looks superb Alex, almost all components blue !🙂

 

[BC109]

Hi,
Files are in post #4145

Yes, but the PCB from the picture is 2-layer. 🙂

 

[alex mm]

Dual layer A40 files .pdf format are attached below .🙂

 

[44250]

alex the king! 🙂 thanks!

 

[BC109]

Thanks Alex!
Would you share and .lay6 file?

 

[alex mm]

Sorry no .lay files for public address .

 

[junior35]

SX9 bottom layer

Not really. About 4 hours. 🙂
We talked about this scheme in another forum.

Hi Milan,
Please post bottom layer.
Thanks

 

[44250]

is this from a personal message?

 

[junior35]

is this from a personal message?

I'm talking about the bottom layer of the pbc; not the bottom you're thinking about....

 

[BC109]

@alex mm
OK. I can give you my personal email. 🙂

@junior35
Bottom of PCB. 🙂