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Btw this is the pinout I’m using for the GT404. Center is Collector in this datasheet.

I just swapped out the transistors in my Sandspur for Soviet GT404B NPN germaniums. HFE 72 and 128. I had to switch out R3 from 1K to 33K to bias Q2 to 4.5V. Anything lower than that, the voltage was high. I saw on prior posts stating that increasing R4 would increase volume but I’ve already...

Thanks for the build report. I was looking to build this one soon, mostly to mess with it in chain after the Super Heterodyne Receiver (Data Corrupter). Sounds like the footswitch hole needs to go a little lower than anticipated. Usually I order Tayda drilled/printed enclosures so this may be a...

Would this transformer work you think? I used one in the past for a Bobtavia build which called for this specific transformer and have an extra sitting around.

Wow! Yours has a lot more gain than mine! I like how mine sounds but it’s quite a mild fuzz. I’m wondering if the transistors are the culprit… I did the Albini mods as well but don’t think it would cause this much of a gain drop. I used the 2N3565 and a NTE102 (hfe 155).

I have this NOS RadioShack output transformer in my supply stash and I’m trying to find the best use for it. I believe I got it a while ago as an extra when I built the Bobtavia circuit. Was looking to build a clone the the Death By Audio Octave Clang but I believe the transformer used there has...

Really cool, never seen this variant before!

Really cool! What’s the tube doing in this circuit? Is it another clipping option or is it integrated into the circuit?

Thanks for the info. Sorry to hear that. I had to buy the whole BYOC kit in order to get the board. Unfortunate because I would’ve saved a lot of money just getting the PCB but I wanted to build this specific flanger so went for it before it gets discontinued for any reason.

And btw I ended up shielding all the in/out wiring for the G3/G4 circuits to help with noise, and it did help a bit but with a Noise Gate it’s perfect.

Haha well too late for that but would’ve been a good idea. Although I do still want to be able to use both Revv together.

Demo:

“Fortune & Revvenge” Demo: PedalPCB Isosceles/Sanguine/Tyrian: Fortin 33/GRIND/Preamp into Revv G3 into Revv G4 (with order switcher at the top to switch order of G3/G4). BUILD: Everything went well until I forgot AGAIN about the center screw post on the 1590DD. Spent a few hours...

I actually plan on ordering the Muzzle to build soon as the only two pedals I need to build to replace the branded pedals on my board are the Noise Gate and Compressor. Between the 401k (keeley), Tso, and Warden. Although I think an OTA style response is more what I want (this is not an...

Thanks for posting the mod, I like it a lot when playing low notes.

I found that it helps to track lower notes better, so those on the low E string actually come out clearer. However, it makes anything past the 9th fret on the high E string not even register… so I guess useful depending on how you’re using the pedal. Here’s a quick demo of the Tracking mod:

Ok went ahead and used this square SPST toggle that fit PERFECTLY snug between the PCB and enclosure. I let the red wire to R9 long in case I do decide to drill out a hole for this switch on the outside of the enclosure.

Oh man guys I’m gonna have to implement the Tracking switch mod. Just did a rough wiring on it and it is very usable. Thinking I’ll put it on the top of the box (next to the jacks) so I don’t ruin my art 😬

Thank you! 😊 I keep looking back at it too haha Thank you! Yes I believe it’s just the oscillator making unintended sounds. Not noticeable when playing though.

Thanks!! 😄 I am extremely happy with how it came out too. The art for me is a big part of the fun