GuitarPCB | Site-Wide Activity https://guitarpcb.com/activity/ Activity feed for the entire site. Tue, 26 May 2026 14:41:34 -0400 https://buddypress.org/?v= en-US 30 hourly 2 023d3f265de98f4e8da26490872a66e1 Christiaan replied to the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/#post-39164 Sun, 24 May 2026 01:24:29 -0400 I had to dig out my little Box-of-Shame to find out but the Forum Vibe transistors are all EBCs. All 2n5088s with the exception of one 2n5210 for some reason. Again that was a Musikding kit, which is my go-to solution when I don’t want to do my own parts shopping.

If I flash a light at the LDRs I can get the classic swirling sound, I just can’t…Read more

]]> 0 a1b4667f3f497b0621da2739749432d6 Billy replied to the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/#post-39158 Fri, 22 May 2026 16:06:22 -0400 What transistors did you use for your forum vibe most layouts show the original Japanese transistor pinout where the collector is the centre pin

If I’ve had trouble with univibe builds it’s usually that where I’ve swapped transistor types to more modern easier to find replacements then forgotten about the different pinout

For the vibe I’d try a…Read more

]]> 0 16dfd343526e1039e534537c16661104 Christiaan replied to the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/#post-39157 Fri, 22 May 2026 15:13:09 -0400 Reporting back: I snipped R3 to test things out and the vibrato is sweet but fairly subtle. However, there’s a bit trade off in terms of the controls. If you turn the intensity anywhere below noon, the warble becomes almost imperceptible. The voice control doesn’t seem to have be as pronounced either, but maybe I’m imagining that.

It would be…Read more

]]> 0 a78adbff64ed1e18a8d79c3a1549b0ce Billy replied to the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/#post-39156 Fri, 22 May 2026 14:22:51 -0400 I think it should work if you look at the forum vibe schematic here although it uses transistors and a lamp rather than op amps and an LED it’s basically the same with the chorus vibrato switch at the output the vibe should have the wet and dry signal balanced with the two 100K mix resistors R3 and 14 so you shouldn’t need the balance trimmer,…Read more

]]> 0 2d40dfd11e7958b3e0fa418f31ee86e9 Christiaan replied to the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/#post-39155 Fri, 22 May 2026 11:28:57 -0400 Thanks for the quick answer. I’ll give that a shot and see what comes of it. Glad to know I was on the right track with R3.

]]> 0 f169905a2b4ec7aafe309cb90c7e1765 August replied to the topic SWAH diode. D3 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/swah-diode-d3/#post-39154 Fri, 22 May 2026 09:27:42 -0400 Hi Barry, I used pliers as you suggested to bend the legs, but wasn’t carefull enough. Still have a lot to learn and be more patient when building. I get hyped and rush through the project, then I make mistakes.

It feels like the holes on the pcb are too close to each other (or diode is bigger then usual). I added sockets now, I’ll see what…Read more

]]> 0 97f7e4b22a86a05cde70517f923767bd Billy replied to the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/#post-39152 Thu, 21 May 2026 22:38:17 -0400 I don’t think it would be straightforward if you’re looking for the same as the original univibe circuit you’d need to add a few components

A vibrato switch would just cut the dry signal out I’d try a DPDT switch in place of R3 that’s the mix resistor for the dry signal I say DPDT but you could use a miniature DPST if you can find one like…Read more

]]> 0 537b60fec79b547878596f2a6d45e33e Christiaan started the topic NostalgiTone Vibe Single Vibrato mod? in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-vibe-single-vibrato-mod/ Thu, 21 May 2026 20:18:38 -0400 I recently built the NostalgiTone Vibe Single from a Musikding kit. My third attempt at building a vibe and finally one that not only works, sounds great! The one thing I’m missing from this one, however, is a “vibrato/chorus” switch. Does anyone know if such a modification is possible? I tried pulling signal from a few different points along the…Read more

]]> 0 a02ee564155109713ea25f158ed9f099 MathU41 replied to the topic SWAH diode. D3 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/swah-diode-d3/#post-39149 Thu, 21 May 2026 19:06:29 -0400 Yeah, the best cheap parts I’ve ever bought is a stack of socket strips and a razor saw to cut them neatly.
Unless I’m 100% (and I never am) I socket every spot for diodes or transistors. Both keeps me from overheating them or putting them in backwards (a big possibility for soviet diodes), but means I get to play around with them for different…Read more

]]> 0 c18149bdab1b11b0d598ad7959bb8bb0 Barry replied to the topic Space Modulator chorus in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/space-modulator-chorus/#post-39148 Thu, 21 May 2026 18:21:22 -0400 Re-flow solder joints.

]]> 0 fdf45b51c865de05972eb76ff66ce244 Barry replied to the topic SWAH diode. D3 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/swah-diode-d3/#post-39147 Thu, 21 May 2026 18:19:50 -0400 I left you this message when you wrote that your Angry Llama was working.

]]> 0 868773db8808eba13ed18b843d93cb6b August replied to the topic SWAH diode. D3 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/swah-diode-d3/#post-39146 Thu, 21 May 2026 08:58:39 -0400 Allright thank you for the suggestions! Will socket and try out different diodes I have laying around.

]]> 0 6c547eabc6e316fab8bda71ea6143da6 MathU41 replied to the topic SWAH diode. D3 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/swah-diode-d3/#post-39145 Thu, 21 May 2026 02:59:05 -0400 Put sockets in the pads, then go ahead and try whatever you have!
And remember to use plier to bend the leads, not fingers. I also cracked a 1n34 lately by nudging it around too hard.
I just finished a SWAH, myself. Didn’t try the D9B I have sitting around (remember, soviet diodes are marked backwards), but that Vf is in line with the upper end of…Read more

]]> 0 7263e7910fc6e19debbe45aef909b741 Michael started the topic Space Modulator chorus in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/space-modulator-chorus/ Wed, 20 May 2026 19:46:03 -0400 Weird one, the chorus isn’t chorusing, but when investigating, when I put a oscilloscope probe (or just about anything) one pin 2 of the 2399 it starts chorusing even when I remove the probe.  Bad 2399 maybe?  It is soldered in otherwise I would just swap.  I was just wondering if anyone else has had the same thing happen.

 

]]> 0 8eb7ddd39ca64e741a229b4cdc42571f August started the topic SWAH diode. D3 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/swah-diode-d3/ Wed, 20 May 2026 19:28:11 -0400 Hi all,

During my SWAH build, I managed to break two 1n34 diodes when bending the legs ;(

I have D9B diodes laying around (10V, 40mA. Vf = 0,4V) I also have multiple bat41 diodes. Can these be used instead? Or by combining these in series/parallel or with resistors (I’ve looked solutions up online but it’s mostly about diodes used in…Read more

]]> 0 18138c0c99b10af6aa1dd3a46ab868f3 Steve replied to the topic Finished!! Bonus PC EXH Lizard Queen! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finished-bonus-pc-exh-lizard-queen/#post-39142 Wed, 20 May 2026 01:24:56 -0400 @jasonwickersham, It is a laser printed waterslide decal. I nabbed a photo (see below) from the internet and nudged a few things with Photoshop.

]]> 0 061203e19c08fdc2c5f76a64a1977067 Steve replied to the topic GuitarPCB 17th Anniversary – New Merch! in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/guitarpcb-17th-anniversary-25-off-new-merch/#post-39141 Tue, 19 May 2026 16:50:08 -0400 Just received my first two tee shirts from Barry’s new collection. They are absolutely fantastic!! Vivid colors and a perfect fit!!

]]> 0 b31f103cad82f29dc793d222557191cb Vokinn72 replied to the topic Germanium PNP Transistors in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/germanium-pnp-transistors/#post-39140 Tue, 19 May 2026 04:47:28 -0400 Thanks @Jeff24 appreciate it.

]]> 0 8089da7ddf66de616009a4100b70710c Jeff24 replied to the topic Germanium PNP Transistors in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/germanium-pnp-transistors/#post-39139 Tue, 19 May 2026 03:20:30 -0400 https://www.amplifiedparts.com/search/node/germanium%20PNP

 

]]> 0 d22675fcf080eeb49307b5eb261c28e3 Vokinn72 started the topic Germanium PNP Transistors in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/germanium-pnp-transistors/ Tue, 19 May 2026 02:27:43 -0400 Hey Guys,

I’ve just ordered all the parts to build a P.U.F.F Pump’d Up Fuzz pedal but am having trouble finding germanium PNP transistors to go in it.

Does anyone know where I could get a couple of these (I need 8) for the build?

Nik.

]]> 0 39fc17e47fdbe198e0ed441fc3b06537 Barry replied to the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/#post-39127 Sun, 17 May 2026 15:49:44 -0400 I am glad you got it sorted out. Thanks for reporting back.
A quick tip when building pedals is to remember that the pedal itself is only one part of the overall signal chain. Things like pickup output, guitar type, amp settings, and even playing style can all have a significant effect on how a circuit responds.
With regard to the SWAH, this is…Read more

]]> 0 c12ab82abc1d7360e693b6647b9daef4 August replied to the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/#post-39126 Sun, 17 May 2026 11:42:45 -0400 It’s working!

As you mentioned c4 being the possible culprit/solution, I checked for remaining flux around that component. After some thorough cleaning of that spot + the rest of the pcb I taped the pots and underside of the pcb with electrical tape to insulate them.

I also cut the wire from ground out to the jack, as I read this could cause a…Read more

]]> 0 d5a88d704b0fdc6e82becff0e553f2ed Barry replied to the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/#post-39122 Sat, 16 May 2026 15:00:43 -0400 Also, just flip the switch and tell me if it goes away.

]]> 0 6b0681ba8b95c5a74b0e0c3b372da195 Barry replied to the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/#post-39121 Sat, 16 May 2026 14:44:44 -0400 The value prevents noise. Does not affect tone. Do not use tantalum.

]]> 0 7714368d72fd1b9e9af4a240f7f9dbd2 August replied to the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/#post-39120 Sat, 16 May 2026 14:43:19 -0400 Thanks for the help!

The building doc I used mention guitarpcb on every page so I thought this is the site to call for help 🙂

I’ll try to replace C4. Do the values change tone? I’ve seen pictures of this kit with tantalum caps instead of ceramics at c3 & c4. Would that help? Could be that I fried some components, my soldering technique isn’t…Read more

]]> 0 3d61f89de3c47962d3520e5538b01464 Barry replied to the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/#post-39119 Sat, 16 May 2026 14:31:05 -0400 Make sure the Boost in the middle is not cranked. Not my circuit but it is called Angry for a reason.

If that doesn’t help and you have spare components you could try changing C4 from 100p up to 330p or 470p

]]> 0 fec7eb67645f0a29478661ef37e1d107 August started the topic Angry llama squeal issue (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/angry-llama-squeal-issue/ Sat, 16 May 2026 14:11:39 -0400 Hi,

I’ve build an angry llama kit, but hear a high pitched squealing noise when the circuit is turned on. Any tips?

 

Things I’ve tried o debug: Reflowed all pcb connections, installed new electrolytic caps (not shown on pic), swapped ic, set bias voltage to 5.5V, battery powered the circuit & audio probed the circuit. Noise is already heard…Read more

]]> 0 fe0981ebbb805f5b94512f54b470df2d August became a registered member https://guitarpcb.com/activity/p/23281/ Sat, 16 May 2026 12:25:08 -0400 0 ab8f467a1966c7624fef2dabc35bd78d Vokinn72 replied to the topic Basic Electronics in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/basic-electronics/#post-39103 Wed, 13 May 2026 11:15:29 -0400 A training course from the US Navy no less! Thanks mate much appreciated!

]]> 0 ced9e229c3aca232f00add68ce7cca69 Jeff24 replied to the topic Basic Electronics in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/basic-electronics/#post-39102 Wed, 13 May 2026 10:38:12 -0400 As deep down the rabbit hole as you like:

http://www.compatt.com/Tutorials/NEETS/NEETS.html

]]> 0 7950aca31291ff191f69dce16fa05927 Vokinn72 started the topic Basic Electronics in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/basic-electronics/ Wed, 13 May 2026 07:40:55 -0400 Hey Guys,

Just curious if anyone can recommend a book to learn basic electronics? I mean from an absolute beginner. Been googling and reading reviews and am suffering from info overload. I figured I’d ask here to get any advice.

Thanks in advance.

Nik.

]]> 0 b608156c9a644d6666fadd9bc9bf0d8e brd replied to the topic Finally finished .... and it actually works!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finally-finished-and-it-actually-works/#post-39099 Tue, 12 May 2026 11:19:19 -0400 Very well done. It looks better than my last build.  After the space modulator you’ll be ready to start building tube amps.  I just recently discovered the magic of Barry’s Emerald Ring into a fuzz face, very funky. My next advice is to make an audio probe  https://drive.google.com/file/d/1T9OsJ0riQhm1QFWPfNQ5q5guikuFKDRN/view. Hopefully you wi…Read more

]]> 0 de5e5380c52005eb8b7733b2f41fb9f3 Vokinn72 replied to the topic Finally finished .... and it actually works!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finally-finished-and-it-actually-works/#post-39097 Tue, 12 May 2026 02:05:07 -0400 Thanks Guys! And thanks for the tip there Barry. I’ll grab some liquid flux ASAP.

Well the next build is the Space Modulator 🙂  Just waiting for it to arrive from Musikding. I’ve also bought some VW hubcaps to turn into copies of the Arbiter fuzzface pedals as my brother in law is a guitarist AND a VW freak.

I’ve also started doing some free…Read more

]]> 0 40b6d6b1dd76765db8c74e78f63588a4 MathU41 started the topic Bass SWAH in the forum Show Off Your Build https://guitarpcb.com/community/topic/bass-swah/ Tue, 12 May 2026 00:47:06 -0400 Got a couple SWAH boards because they sounded fun.
Set it up usable for bass, using notes from Barry and Cybercow dug up on the forum.
A few things to make note of:
1) in this instance, the effect chokes out when the sensitivity pot is turned past something like 9 o’clock. I assume it’s just too much resistance for some tolerance between…Read more

]]> 0 1ce7d8da2059ed569c9ee13001ea377f Barry replied to the topic Finally finished .... and it actually works!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finally-finished-and-it-actually-works/#post-39094 Mon, 11 May 2026 18:54:11 -0400 Congrats on getting it up and running! That is definitely a more ambitious choice of circuits for an early build. The standing resistors look great too.
Most important thing is that it works and now you have a solid foundation moving forward from here.

Here’s a helpful tip for soldering jacks: apply a small amount of liquid flux to the jack l…Read more

]]> 0 9d6f807111f1b3b8d5087cdb9cc54bf0 Barry replied to the topic GuitarPCB 17th Anniversary – New Merch! in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/guitarpcb-17th-anniversary-25-off-new-merch/#post-39093 Mon, 11 May 2026 18:42:09 -0400 Thanks guys!

In some ways, 17 years seems like a very long time. In others, it really doesn’t. I guess it depends on the day.

We’ve lost a few shining stars along the way, and I still think about them all the time.

The business was originally started so I could work from home and raise my kids. That mission was accomplished, and now the nex…Read more

]]> 0 31f0090128ffe57a013041c4005dec8b JasonWickersham replied to the topic Finally finished .... and it actually works!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finally-finished-and-it-actually-works/#post-39091 Mon, 11 May 2026 02:47:59 -0400 Woohoo!!!  Well done, sir. We hope to see more of your completions in the future.

Ugly?? Who said anything ‘bout that!?!  P-touch, especially the clear backed tape, is awesome, especially when using the Brother editor app.

 

]]> 0 d7fe53044de29f54ac490eb5bf78ef98 Vokinn72 started the topic Finally finished .... and it actually works!! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finally-finished-and-it-actually-works/ Mon, 11 May 2026 01:09:10 -0400 Finally finished my first pedal build. Tonnes of mistakes were made (soldered the IC’s directly to board lol) but got there in the end. Thanks to @brd and @barry for your patience and guidance along the way. Keen to get onto the next one!

She is ugly as hell but she does the job 😉

]]> 0 0e7271d1e6e79120de2c0eb96741ae62 Big O replied to the topic GuitarPCB 17th Anniversary – New Merch! in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/guitarpcb-17th-anniversary-25-off-new-merch/#post-39088 Sun, 10 May 2026 22:20:00 -0400 Congratulations on 17 years!  At least I can say I’ve been around for a good part of it.

I have many GuitarPCB boards in a lot of my pedal builds.  But I’m done building once I got above 70 built pedals, but I stop in here from time to time.  I wish Barry great success in the future and continue to promote the excellent GuitarPCB boards and pr…Read more

]]> 0 143c2c0d578a2d5912ca74997a886522 Playsforfun replied to the topic GuitarPCB 17th Anniversary – New Merch! in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/guitarpcb-17th-anniversary-25-off-new-merch/#post-39067 Sat, 09 May 2026 22:46:38 -0400 Congratulations Barry and family!! What a huge anniversary. It’s been such an honor to be part of the extended GPCB family for more than half of that. I’ve learned a ton from here, and from that have been able to give a little back through support at times. It’s been addicting in a very good way to meet all the great builders past and prese…Read more

]]> 0 83c8def36e785527a089dc9a0be19b92 JasonWickersham replied to the topic Finished!! Bonus PC EXH Lizard Queen! in the forum Show Off Your Build https://guitarpcb.com/community/topic/finished-bonus-pc-exh-lizard-queen/#post-39064 Fri, 08 May 2026 18:44:01 -0400 Looks great, Steve.
Is this a decal or UV printed? Either way, this  looks awesome!

]]> 0 bdb2e097358b9acfe3bba5bceced361e Barry started the topic GuitarPCB 17th Anniversary – New Merch! in the forum General DIY Pedal Discussion https://guitarpcb.com/community/topic/guitarpcb-17th-anniversary-25-off-new-merch/ Mon, 04 May 2026 03:36:37 -0400 Hi everyone,
I’m celebrating 17 years of GuitarPCB, and I just want to say thanks to all of you who have supported the site, shared builds, and been part of the community over the years.
To mark the occasion, I’m running my biggest sale of the year:
👉 25% OFF EVERYTHING in the shopUse code: SAVE25
This includes:

  • NostalgiTone combos

    • Read more

    ]]> 0 cee5a82a2fd48912ae23a38bb64f91a8 Barry replied to the topic 60’s triple combo pedal kill switches in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/60s-triple-combo-pedal-kill-switches/#post-38987 Fri, 01 May 2026 23:31:13 -0400 Never happened to me.

    The only thing I can think of is a short, or perhaps the Green blew out leaving the Red only.

    I would check for a solder bridge, and also probably just replace the LED with a pre-tested one using a 3v coin battery. Must be common anode.

    ]]>     0     697403ea6d3155d6458f21a02c1b66ae Thomas replied to the topic 60’s triple combo pedal kill switches in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/60s-triple-combo-pedal-kill-switches/#post-38986 Fri, 01 May 2026 20:25:08 -0400 The triple combo sounds great!  The tremolo, fuzz and od are great alone or in any chain.  Crazy question though – my bicolor led r/g ac is red on both positions of the switch.  The switch is working with tremelo on off but led is only red?

    ]]>     0     894a8349462f23995cb8b260a770f85b Barry replied to the topic Doom Prophet LED in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/doom-prophet-led/#post-38985 Fri, 01 May 2026 16:48:23 -0400 Depending on the value of the CLR that was used you may have instantly blown the previous LEDs.

    I would try another new LED. You can pre-test with a 3v coin battery.

    If that doesn’t help I would test the connections between the 3PDT and main board with regard to the LED usiing your DMM in continuity mode.

    ]]>     0     4bb756ffb59884125da477756c7d1df0 jmgrabowski replied to the topic Doom Prophet LED in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/doom-prophet-led/#post-38984 Fri, 01 May 2026 00:57:05 -0400 It was different. All are 4k7 now, but the problem still persists.

    ]]>     0     8f0e3fed23e6e3d1d1c967fc992c47d8 Barry replied to the topic Doom Prophet LED in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/doom-prophet-led/#post-38983 Thu, 30 Apr 2026 03:36:03 -0400 What value of current limiting resistor are you using on the 3PDT?

    It’s too hard to see but looks different.

    ]]>     0     597c9bc6881bbc723dee71efa02a043c jmgrabowski started the topic Doom Prophet LED in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/doom-prophet-led/ Thu, 30 Apr 2026 01:39:33 -0400 Put this Doom Prophet together, all the circuits work, but the LED on the distortion circuit doesn’t work. I’m getting tone from my DMM from the LED to the CLR and from the LED to R34. I also attached another LED inside to verify that it wasn’t the LED. That one also dos not turn on. Fairly new at troubleshooting. Any hints would be appreciated.

    ]]>     0     824ee86154dc59154af5604b957a0786 Barry replied to the topic NostalgiTone NT Phaser V1 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-nt-phaser-v1/#post-38981 Wed, 29 Apr 2026 17:30:56 -0400 The LDR itself is very simple and has no polarity, so orientation doesn’t matter. If it did, it would be clearly noted in the build document and indicated on the PCB silkscreen.
    If you check the schematic in the build document, you’ll see how the LDR ties into the phase-shifting stage, which is the core of the circuit. Each stage shifts the pha…Read more

    ]]>     0     f72f3a6eb03e1f2a0f33a903f375fbcc Vokinn72 replied to the topic NostalgiTone NT Phaser V1 in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/nostalgitone-nt-phaser-v1/#post-38980 Wed, 29 Apr 2026 08:21:56 -0400 Hi Guys, couple of questions about the LDR install.

    First is pure curiosity. Which part of the pedal is it interacting with? Volume? The phase effect?

    Second is regarding the build. I’m assuming since they are a resistor there is no positive or negative end and they can be installed in either direction? They just need to be faced towards the…Read more

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