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Your member name sounds dutch so probably these links probably work better: https://www.newtone-online.nl/catalog/product_info.php?cPath=31_37&products_id=409 https://www.musikding.de/20-Pin-inline-socket

I actually prefered the Space charged boosted with the Paragon Mini instead of the Arche boost. :D

So the R7 in the Arche boost with a value of 8,2k defines the minimum volume level? So the 12k (R5) used in the Fordoble on the boost side has a lower minimum volume compared to the Arche boost? I’m curious whats changed in the boost side of the Electric Lightning pedal compared to the Arche...

I would be interested to know what the bass switch does on the v2 Plimsoul? I skipped the switching of the soft clipping diodes because it doesn’t remove the low end focus of the pedal.

You must increase C100 and C101 to 220uF to provide enough filtering to connect the hard clipping diodes to vref instead of ground. Vref should sound more saturated. I’m not sure if a switch would be so beneficial. You can use 220uf in both situations of course and experiment with it. As...

You can connect the clipping diodes either to ground or to vref via tp1. So connect 0R to tp1 for that instead of to the right pad (ground).

Cool, thanks. So the circuit is probably not targeting more open sounding diodes of 850mV compared to 700-750mV. I will give it a try to see how it influences the behavior.

I should receive the Souldrive PCB tomorrow or Friday and got some 1n916 diodes for the clipping section, should be similar to 1n4148 probably. I also want to try some higher mV diodes like BA282/482 or MA856. Might open up the pedal a bit more so I’ll give those a try and see how they respond...

Mp38A are great, little lower gain. 2n130x and cv7351 are brighter imo. I’m not sure it’s advisable to build this without being able to measure or experiment. At least that’s the fun and essential part for me with fuzz pedals. ;)

The CV7351 link on eBay is a good option if you aren’t able to measure. I think that in the link to the mods from Chuck you can find the best HFE values

The CV7351 is a good alternative indeed. I bought some 2n1308 here: https://www.langrex.co.uk/products/2n1308-newmarket-germanium-transistor-x1pc/ Took a while and expensive. I also have a good address for 2n1304 which in practice have a HFE between 70-100 for a very good price. Not sure if...

The pinout of the L is indeed different you can also try 2x BC183C of Around 500hfe or use a BC183B around 250hfe and a BC183C around 500hfe which is similar to the EJ fuzz which can biased cold around 3v or higher of course.

How do you like the Penumbra? You use it mainly on bass?

I normally drill the 3pdt lower but already made the markers on the enclosure from the layout from AION. Then I thought it would be nice to add a battery option. Fuzz pedals do sound great with old style batteries. I haven’t connected these builds to my Cioks or Zumas yet so it might work great...

I increased the Q2 bias but it wasn’t an improvement IMO. So I also have the bias set to the build doc voltages. Do you prefer the transformer switched in? In the Epsilon it fattens the sound and improves the clean trim IMO. I expect this will also work like that in the Solaris and that the...

I just finished a Solaris build with the GT402B which @DeadAirMD acquired and send them to me! I’m waiting for the 42TL019 to arrive from Retroamplis. I’ve build the Epsilon with BC183C and I really like how the transformer behaves. It also works great in the Tactical fuzz. Love the chunky and...

Check the Solaris or Epsilon from Aion, it features the clean trim and low end.

Try both and see what you prefer. Get BC183B and BC183C and experiment with the Q2 collector bias between 3 tot 4,5v.

I’ve build all my Sandspur and Sunflower PCBs with the clean externally as well. Helps to dial in the fuzz face better for different guitars. Slightly different than rolling down the volume and allows you to leave guitar volume full. For Ge I prefer lower gain with GT308 with 60-70 and 80-90...

Here’s the patent https://patentimages.storage.googleapis.com/4c/92/3b/fa509bbe1795aa/US20050204905A1.pdf that describes the trimpot/cap as follows: A resistors capacitors circuit network connected in parallel with the Said large noise picking coil to optimize the level, frequency range and...