Simple Symetrical Amplifier

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Shaan, you're a good karma!:cheerful:

people from the other side of the world are filling-in..;)



BTW: ..been looking for the schematic on this one, has anyone successfully built it? with the inclusion of the PSU on board, quite compact!

234854d1313076685-simple-symetrical-amplifier-lazy-cat-nico-ras-ampl.jpg
 
Hi abetir. I just want to help spread the sonic pleasure of SSA. Thanks.

The awesome PCB by sir Alex is Nico's version. You can see the schematic here:- Nico's SSA Schema
And may want to see what nico has to say about the sound it delivers here:- SSA Experience

The circuit has been built and tested by Nico as he reports its his daily-use amp. However, I'm not sure if he built it on exactly this PCB or not. I couldn't see any errors in this PCB, so think you can give it a try. ALL will help. :up: :)
 
Hi Abetir, you can search pcb by sir Nico, he've uploaded his pcb too.
and he recomended pcb by sir Alex_mm, try search for pcb rev. 1.4 of Nico's SSA version by sir Alex_mm.

Hi Shaan,
today i've completed my second channel, with more better parts.
it' is still okey for 33pf instead of 22pf?
thanks,
naf
 
Hi Naf. Congrats! Yes it is okay. You can use a 100pF with no problem. :)
:up:
Thank you Shaan,
my first channel using 47pf and this second channel i try using 33pf
my measure so far is good:
vas bias at 14 ~ 15 mA
offset -0.2 ~ 5 mV

my second channel "the red one" is lit :D
 

Attachments

  • 20121007_164144_rsz.jpg
    20121007_164144_rsz.jpg
    191.5 KB · Views: 436
  • 20121007_224506_rsz.jpg
    20121007_224506_rsz.jpg
    148.3 KB · Views: 423
Last edited:
Your measure is same as mine.!.

The active devices are a mirror copy of the ones I used here! LOL

I rechecked the offset again and it reads 11.5mV.

P.S. peeceebee with servo is almost done. ;)

I found a PCB maker here named Nutech and hopefully will get a bunch of them soon. HOHO

Ooh! RED LEDs look HOT! COOL! Nice job naf!
 
Your measure is same as mine.!.

The active devices are a mirror copy of the ones I used here! LOL

I rechecked the offset again and it reads 11.5mV.

P.S. peeceebee with servo is almost done. ;)

I found a PCB maker here named Nutech and hopefully will get a bunch of them soon. HOHO

Ooh! RED LEDs look HOT! COOL! Nice job naf!

nice to hear a servo version nearly done...
 
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.