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I just had one of these arrive but dissapointed it has 5532 soldered onto it? I planned other opamps. Is this how they ship, or is mine an error? I didn’t notice anything anywhere about them being added. just my mistake? Thanks!

Funny to me joyo did this before anyone boutique. Either way would be a sick addition to any board, especially beginners. A pedalpcb version of the OG circuits would outdo this as well. ?

Is it safe to use LT1054 with pin 1 simply lifted? With it connected I had overheating issues, with it lifted all has been well for weeks. Nagging me though as I am not sure this is OK to do. Would rather lift pin than cut trace.

Would be super cool to see this added to the wah options. It seems to be the most desired snarling dog but had maxx 1044 dying issues. Is rare, huge, and $$$ on the used market. Someone else added mod info in red text.

The OMF cuts too much bottom end for my liking with extended range guitars. Any ideas on how I can get more bottom end out of this circuit or can point out the filters to modify?

Ive got a pile of non working builds piling up. It seems for every one I get built another doesn’t work and I don’t know enough to get through them on my own. after an integral preamp I built today doesn’t work yet again I am pretty frustrated. My integral is farting and distorting. I reflowed...

Compared against my isosceles build my triangulum has very little boost available. Like I couldnt see using it less than maximum. Isosceles is INSANELY loud. The pedal also cuts far less bass than ISO in triangulum mode. The potentiometer works without scratching or issues as does the...

I worked this out from a friends FT Bassdrive. C1:51PF C5:330N C4:100PF C8:68NF Q1:2N5088 Q4: 2N5088 D2: 1N34a D4: 1N34a “D6”: 1N34a (see picture below, attaches between Q2 source and PCB. Check your germanium for cathode end which faces up away from pcb.)

I decided to try something different this time around and ordered an assortment of NOS diodes from the 50’s and 60’s. A mixture of russian and japanese. I placed seven pieces in a greengage build I am working on. I am not sure what to expect from the really low pair of OA7 at .23-.25 or so...