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It still makes the noise with no mic plugged in. It seems like if I have phantom power on, touching the pad actually produces more noise. I also get some noise if I touch the top of the bipolar electrolytic caps which I'm not sure if that's normal behavior. Like, clearly I have no idea what...

It's partly a mic preamp, yes. I'm going to solder a wire to this and mess around with it today because I have no other ideas

@Robert It's the anode of D14 in this schematic. I've clipped both of these diodes out with no change to the behavior

I built a circuit which works, but has a pretty large amount of white noise in the background. I've found that touching the circled pad with anything makes it go away. What could this be a symptom of, or what could be a remedy? I don't really understand how me holding a resistor with tweezers...

I've sent links to all so far. FYI I built this in a 1590BB2 from Tayda. I have drill coordinates for the top face with the XLRs, and then I hand drilled the front face because I wanted to push it as far down as possible. Tayda drill kit

I made it. I can upload gerbers if anyone wants them

Adapted from DIYRE's color module and this site: Link I need to do some recording or reamping to get a full sense of this thing but at first glance I like it. I might just use it on everything, it seems pretty clean when set low on the soft setting.

I love this compressor. It feels the best to play for what I do. The only issue I have with it is that it's a little bit noisy (at least my build is). Noisy as in a faint white noise type of sound, regardless of the guitar signal. Is there anything we can do to attempt to mitigate this...

Wow this thing is noisy. At first it sounded like something was broken until I realized the repeats knob is backwards. I think this will be nice in my vocal chain Gerbers available if anyone needs boards. I don't remember who I got this schematic from but thank you

Phantom power and phase flip, I just couldn't be arsed to label them

Here is Rev 2 of my looper box. This includes a THAT mic pre in front. Upon first firing this didn't work but after digging more on the diyaudio forum I found someone doing the same project as this one, and doing it in an easier way so I may make my way to a rev 3 with more features

Well, I guess I messed this one up. I'm wondering if I just needed to connect this V- pin to my ground? I left it unconnected without thinking about it. I used the Mean Well DPBW06G-15 attempting to convert +48V to +/-15V: datasheet Edit: this fixed it

Wow I searched all over for the crap fi schematic with no success. Thanks for this!

I have one more question, does the "Common" pin on a device like this typically mean it connects to Ground? datasheet

So, I've built a THAT Mic Pre for which I have a 48V power adaptor. I'd like to make a new box that includes this preamp, then takes that signal straight into a balanced line receiver, sends it to a pedal circuit at 9 or 12V, then goes back to a balanced line driver and sends it to an XLR out...

Simply because I didn't know these existed. Thanks!

As an ongoing work on my XLR looper, I'd like to include a preamp inside which requires +48V power. Let's say the rest of the circuit requires +/- 12V, and I'd also like to include a pedal effect which would take +12V. Is the diagram I've drawn below feasible? Is 48 to 12 V too much of a...

Here is my schematic, I will PM anyone that wants a Google Drive link to my gerber zip file that I had fabricated at JLC (I did increase the mounting hole size). Note: I don't technically know what I'm doing, I stole most of this from the DIYRE Color format schematic. I have done some test...

OK I will get this to you or post a link later today. If I don't get it today remind me. The one mistake I made on this was making the pcb mounting holes too small. I had to drill them slightly larger with a drill bit. If I can figure out the correct size for them I will before I send this

I designed the PCB. I can provide gerbers and a schematic if you're interested