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The TSO is always buffered - IE not true bypass

shot it the dark and you probably double checked but is your LEDs on the LDR correct polarity? IE can you tell they are "lighting" inside the shrink wrap?

very nice work

Yeah I have it all built up except for the LDR socket - just been lazy lately! I have the AION version (w/o the treble pot) and it sounds amazing with VTL54C . I figure either the TAYDA GREEN A-1553 or Yellow (or VTL) will all work great. Did you couple LED side to cell, or LED top to cell?

Aside from cost - any reason not to just use a VTL54C? VTL5C4 1mA = 784 ohms 5mA = 354 ohms 11.5mA = 220 ohms 20mA = 168 ohms 41mA = 120 ohms TAYDA GREEN A-1553 - LED top pointing at LDR inside a 5mm shinksleeve 1mA = 7.7k ohms 5mA = 2.1k ohms 10mA = 1.2k ohms 20mA = 835 ohms 43mA = 577 ohms...

Its actually not too bad to off board mount the transformer and fit in a 1590BB https://forum.pedalpcb.com/threads/my-atomic-doucast-with-1590bb-off-board-transformer-mounting.3013/

heheh - I should have taken a pic - they're 100uF, and on the underside there are 22uF connected in parallel. Total of 122uF. yeah - you're right. I looked a long time and there just aren't any of the smaller dia 120uF.

yep - it all adds up - remote was the easiest. That's what I did not my Simulcast to fit into a 1590B

possibly but you'd have to move a lot of the caps to the other side too...

Thanks - retro look is my thing and what I was going for!

Thanks - yeah just a thin sheet (0.045"? 0,062"?) polished then decals and protective varnish over it. I like labeling my controls - but also like black boxes - so it's what I've come up with as my "style". The "label" plates are of some vintage aircraft parts from a (now defunct) company.

The TY-141P is a 10k input/out impedance and the TY250P is a 1k input with various configs for output (center tied it's 1k). I think the huge difference in impedance wouldn't work very well

Nice!! Which way does the toggle switch give you 9V and which way for 27V? Im guessing 9V is to the "left" when looking at the pedal normally. How did you tune the trimmers?

Sounds like LT1054CP is the way to go

Simulcast / Duocast - LT1054CP or LT1044SCPA - which is better? I have some of both - any reason one is better than the other?

Agree - I used 100 uF and there's no problem - sound awesome

Hey that's pretty cool. I dumped in few parts lists and it's very handing for adding everything up!

Or you do something crazy and mount it off the board...

yep - I plan a whole bunch of tests ! :) I don't think I need the preamp I have (and sometimes the channel 1 is flaky) - so I have a nice little flip top project box that I can experiment with different pedal pcbs. Trying to simplify down but it's always something else. I had looked at some...