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Messages - schizoidman

#1
General Questions / Re: Reverb PCB for early Belton
November 13, 2018, 04:20:04 AM
I'm also interested in this, if any one knows where to buy a PCB with the correct pin layout for the BTDR-1 it would be nice.

Anyway I'm no expert but, judging by these layouts here, you could use the same layout for the btdr2 and btdr1, it's just different wiring.

I've looked at madbean's projects, and in their belton project they say it's not compatible with BTDR1, but i'm not sure if that is because you can't mount it on-board or some other reason, because on the link I posted it's interchangeable.
#2
Hello guys,

I'm trying to plan my new build, which as the title says is a Pharaoh fuzz.

But since i'm a noob in most of this stuff, I'm having troubles to know for sure how I have to mod the normal build.

First the madbean schematic, the things that will differ on the Pharaoh are highlighted.

This is the Pharaoh schematic I'm using as reference.


And then the PCB with the critical points highlighted as well.


Points 1 and 3 are easy enough, no problems there.
The caps on 5 and 6 change from non-polar to polar tantalums, I marked the + side on the pcb, but I'm not sure i got that right...

Finally, regarding regions 2 and 4, the schematics are a little bit different. The diodes and the caps are in different orders, does that make a difference? I'm guessing it makes no difference, but I'm only assuming that because the pharaoh is a muff clone...
The other thing is how to bypass the diodes in region 4 to make the switch mod? I'm fairly confident how to connect the germanium and silicon diodes to the switch, but I have no clue how should I connect that to the board...

I would like to have this stuff sorted out before I begin the build, so any help on confirming would be great.

Thanks!