Salas hotrodded blue DCB1 build

Scorpion DCB1...on the late

machining.jpg

MACHINING2.jpg

initial raw build (close-up).jpg

sanding.jpg

copper bottom (machining).jpg

aluminum plates (ready for anodization close-up).jpg

aluminum plates (ready for anodization.jpg After too loooonnnng a time, my Hotrodded DCB1 is almost finished (me, my wife and my two kids were away for the last 3 months on a trip troughout North America covering almost all of Canada and USA....great memories for the rest of our life).

I have included some pics of my build.

Also, the thread '' DCB1 resistor tryouts'' will go back to life as I will start the resistors swappings real soon and report on the results...

My measurements are as follow:

LED Voltage: 10,08v and 10,12v
DC Offset: 1,6mV and 2,1mV
Voltage drop (across the CCS resistors @ 1,25R): 1,20V and 1,47V

Therefore, am I good to go?

Thanks
Regards
Scorpion
 

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diyAudio Chief Moderator
Joined 2002
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My measurements are as follow:

LED Voltage: 10,08v and 10,12v
DC Offset: 1,6mV and 2,1mV
Voltage drop (across the CCS resistors @ 1,25R): 1,20V and 1,47V

Therefore, am I good to go?

Thanks
Regards
Scorpion

Good to go. For perfectionism you could try bit stronger LEDS in the 1.20V side triplet at a point so to go nearer to the 1.47V of the other side. Its the VGS differences in MOSFETS that makes one side weaker when everything else is matched.

As for the enclosure work, what can we say? Magnificent. :up:
 
Thanks domyboy. Did my best with equipment on hands and limited knowledge in machining...but loved the journey.

I will post pics of the fully assembled preamp at the beginning of the week (targeting Monday or Tuesday).

BTW, (for those interested) engraving was done @ A-Z Pentograv, anodizing @ Verdun Anodizing and machining of the round corners and the 60° bevel of the frontplate @ Lindax Machining. All from the Montreal area.

Regards
Scorpion