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Just finished the Archibald '22 build. Sounds amazing except when I switch from EQ to HI/LO mode there is a huge volume drop. Even when the level is at max I can only get about 3/4 perceived unity gain in that mode. EQ side has plenty of output. I've already checked all the component values and such. Any hints on where else I should start checking?

FYI - I saw the thread regarding a bad J201 possibly causing issues. I have a batch of 20+ year old NOS and 2N5457 that I could swap but just wanted to see if the brain collaborative had any other ideas before I do so.

Just finished the 2019 PorkBarrel build with the MN3007/3101 chipset. I installed the optional Blend control. The unit sounds amazing with the only niggle being there is about a 10-15% perceived volume loss when the unit is switched on from bypass. Is there a component value that can be changed to give the unit better unity volume between active and bypassed? I did go through and visually double check resistor values and it didn't appear to me that anything was incorrect. Gut shot attached for reference.