Double Cross double RAT - ins/outs in parallel?

Started by slowpogo, October 29, 2020, 12:07:23 PM

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slowpogo

I was lucky to snag one of Dead End FX's limited edition Double Cross boards. It's a double RAT with lots of mods and clipping options. I'm looking forward to trying a bunch of different diode options, so that each RAT is awesome but distinct from the other. I have a selection of vintage germanium diodes to try: black Russian glass, Tungsram, Mallard, more. One side will have symmetrical LED clipping, the other asymmetric, etc. I'm going to call my build the NICODEMUS, after this famous rat:



Sadly it does not have switchable series or parallel options built in. Rather it's configured as two separate pedals on the same board, sharing a power source but each with their own input/output.

Would there be any issue with wiring the ins/outs in parallel to single jacks?

-INA and INB wired in parallel to a master mono switched IN jack
-OUTA and OUTB wired in parallel to a master OUT jack

This would give the option to use either A or B alone, or both in parallel, correct? I would lose the option of running them in series or stereo, but that's fine with me.

https://drive.google.com/file/d/1Tfsjd9Re18Rx6jkYGelHyDcfCD8evcxL/view




willienillie


slowpogo

Of course, the board has bypass for both sides built in. I'm just wondering if it's okay to split the input and sum the output as I described.

PRR

#3
Put 10k series with C24 C4. C24, C4, whatever.

The output.
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slowpogo

Quote from: PRR on October 29, 2020, 10:38:41 PM
Put 10k series with C24.

Thanks, what is the reason for this? I'm mostly a builder and very basic with my EE knowledge.

PRR

I mis-typed (there is no C24).

Do not put two outputs directly in parallel; they will fight each other and distort. (Ah, in this case that may be OK...) These circuits can stand another 10k resistor which will mitigate the fighting.
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willienillie

Quote from: PRR on October 31, 2020, 03:26:51 PM
I mis-typed (there is no C24).

There is, on the top schematic.  It's called C4 on the bottom schematic.