GuitarPCB | Site-Wide Activity https://guitarpcb.com/activity/ Activity feed for the entire site. Sun, 16 Aug 2026 01:13:35 -0400 https://buddypress.org/?v= en-US 30 hourly 2 d4af6fdcbe1c229604f628a678046324 Jonah became a registered member https://guitarpcb.com/activity/p/23487/ Sat, 15 Aug 2026 04:44:00 -0400 0 8f7ee65ccac69c254649fe7f2b3c6cfd brd replied to the topic New Guide: How Gain, Headroom & Clipping Shape Your Tone in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-guide-how-gain-headroom-clipping-shape-your-tone/#post-40288 Thu, 13 Aug 2026 14:45:54 -0400 Nice work Barry, your new Tone Shaping guide is excellent; it takes an easy dive into a broad range of electronic circuit topics. I would say it’s a must read if your new to pedal building or if you want to jump into the rabbit hole of modifying pedals. There are answers to some questions that are often asked on the forum and explanations to t…Read more

]]> 0 b17d1223252062761cca5dadc68b145f Barry replied to the topic New Guide: How Gain, Headroom & Clipping Shape Your Tone in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-guide-how-gain-headroom-clipping-shape-your-tone/?view=all#post-40287 Thu, 13 Aug 2026 03:57:17 -0400 I hope people are finding this new guide useful.

]]> 0 8c054d305c39a0805d2dc4191e1454ce Barry replied to the topic NT Preamp Boost: correct IC? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nt-preamp-boost-correct-ic/?view=all#post-40275 Wed, 12 Aug 2026 17:41:28 -0400 Wow, OK. That was a typo.

Several conflicting reports and I should have looked closer at the symbol and not the text.

I got it sorted now and thanks for pointing it out. It is a TL071 and not TL072.

]]> 0 7093d90288740d0af0f40d3c1abf8570 jd6string replied to the topic NT Preamp Boost: correct IC? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nt-preamp-boost-correct-ic/#post-40273 Wed, 12 Aug 2026 16:57:17 -0400 Thanks MathU41. I had the same issue with the preamp boost section of a Rock Hard build. The TL072 would not work, so I changed it out and installed the TL071 and it worked. I noticed in a couple of photos in the “Show your build” thread that a TL061 was used in one build and a TL071 was used in another build. Thanks again for your post about…Read more

]]> 0 8feaa4e8bdf2302dd16fe4d6d0cc0aea Barry replied to the topic NostalgiTone Rock Hard Finished!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/nastalgitone-rock-hard-finished/?view=all#post-40272 Wed, 12 Aug 2026 16:11:40 -0400 For clarity the Preamp Boost section requires a TL072 not a TL071.

If you happen to need support post a separate Support thread.

]]> 0 cf7227f41681a7f47c17674ea8fc05c3 AxelS became a registered member https://guitarpcb.com/activity/p/23476/ Wed, 12 Aug 2026 15:30:04 -0400 0 f957d73b4b5443a0d6fddc4231002930 DeepPurple became a registered member https://guitarpcb.com/activity/p/23475/ Wed, 12 Aug 2026 15:29:53 -0400 0 8f1903cbf0fee9a46d990457931936d5 Kurre1974 became a registered member https://guitarpcb.com/activity/p/23474/ Wed, 12 Aug 2026 15:29:33 -0400 0 b0c7634b2d6b97beea1f6f1b10e56cbb Craig W became a registered member https://guitarpcb.com/activity/p/23473/ Wed, 12 Aug 2026 15:28:46 -0400 0 10508e2be2cf5ebadaa6eb00e1b1f22b John Kallas became a registered member https://guitarpcb.com/activity/p/23472/ Wed, 12 Aug 2026 15:28:30 -0400 0 029478d70cc04192e2da6cbaa8e09631 JasonWickersham replied to the topic NostalgiTone Rock Hard Finished!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/nastalgitone-rock-hard-finished/#post-40268 Wed, 12 Aug 2026 14:44:10 -0400 Steve, dig the black and gold paint scheme on the enclosure. It works quite well!

Ill have to post up photos this afternoon of the DumbleTone i finished last night.

]]> 0 9583b98d1d207bc0b1da0d427818771b jd6string replied to the topic NostalgiTone Rock Hard Finished!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/nastalgitone-rock-hard-finished/#post-40265 Tue, 11 Aug 2026 21:33:23 -0400 I recently built the Rock Hard project. What I didn’t realize is that the parts list and schematic call for a TL072 IC. I had to trash the first build after trying to trouble-shoot the boost not operating (saved a few parts). I built a second one and the same result with the boost happened. Thank goodness for the forum – I discovered that listing…Read more

]]> 0 40834745db450b0e5ac0655edd130ef1 Barry replied to the topic New NostalgiTone AmpEQ in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-nostalgitone-ampeq/#post-40237 Sun, 09 Aug 2026 20:18:08 -0400 In that clip, the AmpEQ sits in front of the main amplifier preamp (guitar -> AmpEQ -> guitar amp input), creating a subtle overdrive perfect for a classic Stones, Faces, or Black Crowes tone. For your suggested “Sculptor” setup, I encourage builders to create a dual pedal combining the Sonic Bloom and AmpEQ, then run this dual pedal directly in…Read more

]]> 0 a19366bd9e98621a4c2eee1d892e4eb9 JasonWickersham replied to the topic New NostalgiTone AmpEQ in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-nostalgitone-ampeq/#post-40236 Sun, 09 Aug 2026 19:44:12 -0400 Barry, I just fired up Let it Bleed because of that clip.

This and the Sonic Bloom would make a damn fine double..”the Sculptor” or something along those lines, for all your tone shaping requirements.

]]> 0 e557368e2971909ba2e3053e09f18605 Barry started the topic New NostalgiTone AmpEQ in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-nostalgitone-ampeq/ Sun, 09 Aug 2026 02:34:52 -0400 Active EQ Preamp. Amplifier-Style Control.

AmpEQ is an active EQ preamp designed to shape your tone without sacrificing clarity. Featuring up to +26 dB of adjustable gain and active Bass and Treble controls, AmpEQ delivers both boost and precise tonal shaping while preserving the natural character of your guitar, pedals, and amplifier.

Its…Read more

]]> 0 235d3a64575e71b1766171c05a53afa2 Barry started the topic New NostalgiTone Sonic Bloom in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-nostalgitone-sonic-bloom/ Fri, 07 Aug 2026 21:51:45 -0400 First let me start with saying this for me is a must have, always on pedal. No matter what style of music I am playing.
Bring Greater Clarity, Definition & Depth to Your Entire Rig
By improving note definition, tightening the low end, and increasing overall articulation, Sonic Bloom delivers a more open, balanced, and three-dimensional response…Read more

]]> 0 b257392c6de8c66519e5be81b9c34b10 Barry replied to the topic New Guide: How Gain, Headroom & Clipping Shape Your Tone in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-guide-how-gain-headroom-clipping-shape-your-tone/#post-40198 Wed, 05 Aug 2026 22:34:30 -0400 Thanks Big O.

It’s available on the Guides Page but I will place it here for convenience.

 

]]> 0 1d2b0914beb1507bae8873d7a274228a Big O started the topic New Guide: How Gain, Headroom & Clipping Shape Your Tone in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/new-guide-how-gain-headroom-clipping-shape-your-tone/ Wed, 05 Aug 2026 22:28:51 -0400 Absolutely great document and tutorial.  A must read for those starting in the pedal building hobby.

Kudos to Barry for providing this!  I wish I had this guide when I started pedal building 20 years ago.  It took me years to learn these subjects by doing additional reading and a lot of internet searching when building pedals over the years.  N…Read more

]]> 0 c1d97bc707c80cd5d25e8555a6f5e5a1 Big O replied to the topic NostalgiTone ModBender Now Available in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/nostalgitone-modbender-now-available/#post-40196 Wed, 05 Aug 2026 22:16:54 -0400 As usual from GPCB, a very nicely designed circuit.  Basically a Si transistor MkII Tonebender, but with a “tone” control (the latter a feature of the MkIII tonebender).  If I hadn’t already built two Si MkII Tonebenders (the Sriracha fuzz being one) I would jump on this one.  The only mod I’d do if building this is make the trimpot an external c…Read more

]]> 0 c37ec6c4fceadaa1d925621bdb0d87be JasonWickersham replied to the topic NostalgiTone ModBender Now Available in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/nostalgitone-modbender-now-available/#post-40194 Wed, 05 Aug 2026 17:01:38 -0400 Cool, thank you for the feedback

]]> 0 a265facc357fe400d1ed1474d8f2495b Barry replied to the topic NostalgiTone ModBender Now Available in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/nostalgitone-modbender-now-available/#post-40193 Wed, 05 Aug 2026 00:56:19 -0400 anything from 130 to 160 should be fine.Probably 135 is what I would shoot for but no need to cork sniff it.

It’s nearly impossible to get that low with 2N3904 so that is why the suggested 2N3903. Otherwise they are identical.

]]> 0 9fd67dbf616384cfecae635d3782e28a JasonWickersham replied to the topic NostalgiTone ModBender Now Available in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/nostalgitone-modbender-now-available/#post-40192 Tue, 04 Aug 2026 22:27:07 -0400 Barry, what hfe range were you aiming towards with the 2n3903?
Looking forward to this one and the Citrus amp boards, bet they are going to make a great 2 in 1 build.

]]> 0 b36a0194f371f885bfbd29d0389bae91 Barry started the topic NostalgiTone ModBender Now Available in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/nostalgitone-modbender-now-available/ Tue, 04 Aug 2026 05:17:36 -0400 Classic Tone Bender-inspired fuzz with a Modern approach.

ModBender takes the legendary three-transistor fuzz architecture that defined some of rock’s most iconic tones and refines it for today’s builders. Using three 2N3903 silicon transistors selected for their lower gain characteristics, ModBender delivers the aggressive harmonic character,…Read more

]]> 0 88ea41a64063ed38933a9128a04f5b9b brd replied to the topic Diagnosing A PCB Power Problem - Probable Short in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/diagnosing-a-pcb-power-problem-probable-short/#post-39559 Sun, 02 Aug 2026 01:03:10 -0400 Glad you got it fixed!  Testing components in a circuit is generally not the best approach, but you made it work.

-Best

]]> 0 c7859a76cc64fc59f1992e5a53a7465d Big O replied to the topic Diagnosing A PCB Power Problem - Probable Short in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/diagnosing-a-pcb-power-problem-probable-short/#post-39557 Sat, 01 Aug 2026 20:29:05 -0400 I forgot to add to my original post that the first thing I thought of was a short in the power jack hoping it could be that simple (this is not my first rodeo – I have built over 70 pedals).  I replaced the power jack and still had the same problem.  That is why I started checking the PCB starting with the power section.

After hours of checking f…Read more

]]> 0 d095c516bb2b59dad939050af48d1ec9 brd replied to the topic Diagnosing A PCB Power Problem - Probable Short in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/diagnosing-a-pcb-power-problem-probable-short/#post-39551 Fri, 31 Jul 2026 21:58:09 -0400 I’m not an expert, but I would always suggest starting at the beginning. In this case it is the power supply jack, assuming the wiring is correct, you want to check continuity between the posts, however, because a short anywhere in the circuit would show continuity between the + and –  posts you’ll need to disconnect the ground wire from the…Read more

]]> 0 8116d8140a4460669097cafbdf9901fb Big O started the topic Diagnosing A PCB Power Problem - Probable Short in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/diagnosing-a-pcb-power-problem-probable-short/ Thu, 30 Jul 2026 20:58:31 -0400 It has been awhile since I have posted anything of substance on this board, but I am asking for some assistance on a pedal I built awhile ago, if someone would be so kind to provide some input.

The other day I picked up one of my pedals that I haven’t played in awhile.  I plugged the power supply cable into the DC power jack and the pedal wo…Read more

]]> 0 2d350b0be239ade664246058d4d84d03 Barry started the topic Introducing NostalgiTone CitrusAmp in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/introducing-nostalgitone-citrusamp/?view=all Wed, 29 Jul 2026 22:44:31 -0400 Classic British rock character with the bold voice of vintage Orange-inspired amplification.
CitrusAmp captures the unmistakable voice of the legendary British Orange amplifiers that powered the stages of the 1970s rock era. Delivering a massive low-end foundation, rich harmonic texture, and the unmistakable wall-of-sound character that defined…Read more

]]> 0 3d23470baff831ec57625e4abe55aea8 Enrico became a registered member https://guitarpcb.com/activity/p/23449/ Fri, 24 Jul 2026 02:49:35 -0400 0 364927818b16d651a9adee2c4e248afc Barry started the topic Brand New DumbleTone Deluxe in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/brand-new-dumbletone-deluxe/ Thu, 23 Jul 2026 21:22:20 -0400 This is one of those that I think everyone should have.

It is that good and is brilliant for just about any genre.

The DumbleTone Deluxe combines two carefully selected circuits inspired by the original reverse engineered John Mayer Dumble units: the smooth, expressive overdrive character of a Dumble drive section and the dynamic enhancement…Read more

]]> 0 7916cb6a4f5b5b3389e6425bff87fcba Goran became a registered member https://guitarpcb.com/activity/p/23447/ Thu, 23 Jul 2026 02:58:15 -0400 0 6d82ff1790b729bccfe3afc47ee8cdc2 R replied to the topic Nostalgitone pcb plates in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-pcb-plates/#post-39501 Wed, 22 Jul 2026 21:19:41 -0400 thanks for the info.

]]> 0 94a2b161b74abbfc16985ba982701ae8 Barry replied to the topic SWAH build in the forum Show Off Your Build https://guitarpcb.com/community/topic/swah-build/#post-39500 Wed, 22 Jul 2026 16:05:57 -0400 Very Nice! Thanks for sharing.

]]> 0 f13bd74c8f28ae1a9359c6fbb5831782 jmgrabowski started the topic SWAH build in the forum Show Off Your Build https://guitarpcb.com/community/topic/swah-build/ Wed, 22 Jul 2026 14:35:10 -0400 Latest build. Was fun to put together. Sounds great.

]]> 0 3fadfd3159407028f5775e00bd282a5d Jason Thomson became a registered member https://guitarpcb.com/activity/p/23442/ Mon, 20 Jul 2026 00:19:01 -0400 0 f3371d9b295dbfb5c9085326448853ed Billy replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/page/2/#post-39473 Sun, 19 Jul 2026 02:01:45 -0400 Sorry been working so not had a look for a while

I’ve had a quick glance at your pcb particularly orientation of polarized components which all look correct

Just to clear up some basics do you get no sound at all or no effect but bypass sound

Without powering the board use your meter diode test to check D5 you should obviously only get a…Read more

]]> 0 66d3591fb97165303f42e33573397a05 brd replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/page/2/#post-39472 Sun, 19 Jul 2026 01:51:31 -0400 Let’s try some voltage measurements while you work on replacing the ribbon cable for the reverb switch. You don’t need the IC’s installed yet. With power supplied to the jack.  Meter set to DC voltage, ground lead on a known good ground, preferably on a GND pad or jack.

First check is at the DC pad. expect a little over 9v. We don’t want to see…Read more

]]> 0 a8fab30e0bd0cca9cb6a5be5acb4eba8 Soozay replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/page/2/#post-39471 Sat, 18 Jul 2026 23:28:37 -0400 Yeah, I had already started to remove the wires after doing some testing and just decided to clip them at that point. I’d definitely start that one over from scratch.

My real concern now is that I fried some components via testing.

]]> 0 cd3978a164ff24dae7364fa8ad51ca14 Big O replied to the topic Plexamp single goes to 11! in the forum Show Off Your Build https://guitarpcb.com/community/topic/plexamp-single-goes-to-11/#post-39470 Sat, 18 Jul 2026 22:09:55 -0400 Goes to 11, just like the amp I built a few years ago.  Unfortunately, the amp is more like a Vox instead of a Plexi as it has an EL84 power tube.

I have built a GPCB Plexi pedal – using the Plexi Plus PCB.

]]> 0 c4f0bca37013bfbb6c0bb10f2483444b Barry replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/page/2/#post-39465 Sat, 18 Jul 2026 17:07:22 -0400 In the meantime I would take some time and carefully clean up the bottom 6-pin connector pads on the reverb side of the board.
I’d use a good Soldapullt-style solder sucker first, then follow up with some copper desoldering braid to remove as much solder from the holes as possible. Just be careful not to apply too much heat or linger too long, as…Read more

]]> 0 db2020faf275553ab4d30f0c574fd35c Soozay replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39463 Sat, 18 Jul 2026 15:44:49 -0400 Ha! Apologies on the misidentification, brd! Still have sleep in my eyes (PDT)…

I”m not getting any LED lighting or sound.

]]> 0 87c6b551ddf152589bc4e571e236456e brd replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39462 Sat, 18 Jul 2026 15:38:51 -0400 Don’t give up on it. You put a lot of work into that build. When the power jack wiring is confirmed, be sure you have voltage through D5 then try each section of the build with a guitar. If one or more of the effects still isn’t working report back. If your LED’s work it’s a good sign.

An audio probe is still highly recommended.

I’m not Barry,…Read more

]]> 0 77e30430807970a12e3210839b56ebe1 Soozay's profile was updated https://guitarpcb.com/activity/p/23434/ Sat, 18 Jul 2026 15:06:55 -0400 0 141004ff8a3b0780a875aa34cb97cd6e Soozay replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39461 Sat, 18 Jul 2026 15:06:18 -0400 Thanks, Barry. You’re right; appreciate your patience with me.

Regarding D5, I’m thinking now that if I had been multimeter testing the board with live voltage, I would’ve bypassed D5 completely and fried a component or two. Totally on me…

I’ll close this one out and ask the manufacturer if there’s a spare part or two I can buy to fix it v.…Read more

]]> 0 7544de7ed4868819ab1acb5dfb298997 brd replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39460 Sat, 18 Jul 2026 13:19:45 -0400 Sorry, I couldn’t edit my previous post. I want to add that, if the power jack wiring was not the problem, an audio probe might be the best next step.

]]> 0 d0bed536b38fa20836c28bb00f530b68 Soozay replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39458 Sat, 18 Jul 2026 02:44:37 -0400 Thanks, Barry re: the 9V wiring. I’ve ensured that it’s in line with your diagram, and am using a 500 mA isolated power supply.

I’ve gone through and reflowed any suspect solder joints and have ensured there’s no solder bridges. I’m at a loss; I’ve taken out all of the transistors and chips and have performed some additional tests. The main 9V…Read more

]]> 0 8875ffee703855409170a835fe9a8001 Barry replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39456 Fri, 17 Jul 2026 00:57:31 -0400

Also I was going to say that you need to make sure you have a power supply providing at least 100mA of current or it won’t work.

]]> 0 e72a8b93337da9740ea5c40460d13ea9 Soozay replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39455 Fri, 17 Jul 2026 00:04:25 -0400 Here’s a diagram of the DC, input jack, and output jack. I’m pretty new at all this and I (admittedly) did a poor job of matching the wire colors to the right use. Font color = wire color. Really appreciate all of your help!

]]> 0 4a0b0a0ff56f2f6961d01287e55e02bf brd replied to the topic Slice in PCB in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/slice-in-pcb/#post-39454 Thu, 16 Jul 2026 21:40:59 -0400 Wire color doesn’t matter, but I noticed it looks like you have a white wire going to the ground of one jack and a black wire going to the ground of the other.  Can’t see where they go under the board.  Maybe a shot of the other side of the board might help too.

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