GuitarPCB | John Kurzweg | Activity https://guitarpcb.com/members/john-kurzweg/activity/ Activity feed for John Kurzweg. Sat, 30 May 2026 07:20:51 -0400 https://buddypress.org/?v= en-US 30 hourly 2 c9624053be0d47116139e78fef075ae8 John Kurzweg replied to the topic Black Dog high pitch tone/noise (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/black-dog-high-pitch-tone-noise/#post-37184 Thu, 28 Aug 2025 00:34:06 -0400 Thanks  — will try out some different values in C12 (hopefully soon) and report back

 

]]> 0 fe9cc7066793f842b8978e5fa12806fb John Kurzweg replied to the topic Black Dog high pitch tone/noise (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/black-dog-high-pitch-tone-noise/#post-37178 Wed, 27 Aug 2025 19:24:46 -0400 And on that note……If you were to darken the circuit tone of the Black Dog pre 2021 a little bit, how would you go about it?

]]> 0 f474bccc39c9b654064c73db3229a6e4 John Kurzweg replied to the topic Black Dog high pitch tone/noise (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/black-dog-high-pitch-tone-noise/#post-37177 Wed, 27 Aug 2025 19:02:30 -0400 Wow, the battery test worked fine and i was able to isolate the problem,: – It’s this one power supply (by IK — came with their Capture Reamp)  that has no issues with other pedals , but makes the Black Dog whine……Thanks for suggesting that, I hadn’t tried other power supplies as that one worked great with 4 other pedals i tested…

So now…Read more

]]> 0 02494326a144cc873e4929924a2bb12f John Kurzweg replied to the topic Black Dog high pitch tone/noise (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/black-dog-high-pitch-tone-noise/#post-37175 Wed, 27 Aug 2025 16:53:38 -0400 Thanks for the replies Billy and PlaysforFun, and thanks PfF for checking the voltages, I check those out— I have the transistors socketed, and the sockets suck(!) , probably won’t do that again, but I did try pushing them in  with a finger when this first came up and it didn’t change anything. So, if it is in the power supply , does that mean i…Read more

]]> 0 be64791b5a665fb58ca1326eefe89ec8 John Kurzweg started the topic Black Dog high pitch tone/noise (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/black-dog-high-pitch-tone-noise/ Tue, 26 Aug 2025 18:50:43 -0400 <p style=”padding-left: 40px;”>I have a black dog pre-2021 version that has developed a high-pitched tone like a sign wave (somewhere around 880 Hz or so— should’ve written it down a few weeks ago !) Every control & sound in the pedal works correctly except for this tone is  always there when I kick the pedal on – it gets louder as you turn the ga…Read more

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