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Can anyone confirm if the Two Tone Fuzz has the typical CBE layout or is it ECB for GT402’s like the original? Thanks!

Just in case - $22 for 100 MMBF5457. Digikey has nearly 30,000 on hand: https://www.digikey.com/en/products/detail/onsemi/MMBF5457/1049160 Hope everyone is well. Here’s to a great 2024!

For those of us in the know, we appreciate all that you do for us!! Hope you at least took Thanksgiving off! :). You’ve been kickin ass, seems like every week I get a notification of more pcbs incoming. Godspeed, my man!

The more I play around with this guy, the more I like Q2 & Q3 around 9v and Q1 at 10.50v. The pedal sounds good anywhere between 9-11v. 9v for all three is just a bit more compressed and 11-12v for all three has more headroom. Putting Q1 at 10.5v and the other two around 9v seems to be a...

https://www.taydaelectronics.com/photo-conductive-cell-resistor-ldr-650nm-radial-ke-10720.html

Throw in an on-on DPDT and have both options or use an on-off-on and have three options (LED, MOSET, GE)! If you want to get really crazy, throw in a on-off-on DPDT on each of the two sets of diodes. This circuit looks awesome!!

Great thread! You folks are awesome!!

In case anyone else has the 1v0 pcb of the Zombie Choir II from PCBMania, I figured I’d update the thread. I ended up getting a couple MN3007’s (this pcb says you can use either the 3207 or 3007 with a couple different jumpers, IC dependent), moved the wire jumpers from AG and B8V to A9V and BG...

Builds look fantastic!! I really enjoyed the report! The information on biasing to 2.3v on pin 3 of V3207D and adjusting the Gate trimpot until you get 1.15v on pin 1 (if I remember correctly) of the LM258P helped tremendously! I had build a couple of these and adjusted by ear. It sounded...

I recently looked to see if this guy was still on the “coming soon” list and didn’t see it there. Got all excited, then realized it seems to have disappeared from the website altogether. Was it renamed and I missed it? Curious if this one will be available in the near future. Thanks!

I’ve built a couple of those. I remember output being extremely loud at very low settings, I think that’s normal. Also, if I’m remembering correctly, it seemed like it had excessive low end. Is that what you’re experiencing? If so, I think that’s an issue with a handful of DBA circuits, some...

What happened with this one? I recently checked again to see if it was available and it appears to have vanished from the “coming soon” list. Was it renamed?

First off, thank you sincerely for your help on this one!! I wish I could buy you a beer! So, I ended up checking the caps you mentioned. C33 & C27 were good. Although, both C25 & C29 were faulty. I replaced them and thought great, that was it! Went to check voltage on the negative rails...

Got it! I’ll try that and report back. I used the TEC 2-0922 from Mouser.

Oh my lord, I completely missed that little guy right in the middle! Thanks :)

Did you connect from Q4 where the trace comes from before the pin lifted? Sorry for the late response.

3PDT is definitely upside down. I’ve made the same mistake and that was after putting about a dozen the right side up. Do you have a solder sucker? Best way I’ve found to remove a 3PDT pcb from the switch is to use a solder sucker and get 98% of the solder out from around each pin. It’s...

Alright, here’s what I found with all IC 1,2 & 3 out of circuit: 1) Both D1 & D2 read the appropriate 0.58v 2)VA, VB, VC & VD are all 12v 3) -VA, -VB, -VC & VD were wonky. They were all the same. Although, when I first tested -VA the voltage went from -2 or so and steadily dropped down to...

Thank you kindly!! I’ll report back this evening.

Alright, I’m stumped. It’s been a while since I couldn’t debug a build. I’m hoping one of you kind folks could help. I built two AionFX DZ4 (VH4 Preamp), one works great one does not. Did the usual continuity checks and everything checked out. Traced signal path with the schematic and...