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PT2399 Delay Pedals - How to Add Self Oscillation 

DIY Guitar Pedals
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Boy in Well Delay Pcbs are available here:
www.diyguitarpedals.com.au/sho...
Boy in Well Build doc:
www.diyguitarpedals.com.au/sho...
PT2399 Explained:
• PT2399 Delay Pedals - ...

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11 дек 2021

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Комментарии : 51   
@Rarebirdeffects
@Rarebirdeffects Год назад
Are you not making anymore video content? That’s a shame! I always looked forward to your videos. Helped when I was just getting into the hobby immensely. Cheers
@michaelinglis8516
@michaelinglis8516 2 года назад
I just did this with a belton brick reverb which as we all know is made up of pt2399's. I added a momentary switch to change the feedback loop resistance so if the oscillations toggle is ON then the momentary switch turns them OFF and if the oscillations toggle is OFF then it turns oscillations ON. This way I can either use the momentary switch to bring in oscillations or use the toggle to have them on all the time (unless I hit the momentary footswitch to momentarily turn them off). Works great for swells and all sorts of ambient ideas. Especially if you want the end of a chord progression or riff to really fill out and keep things building up until the next part. The reverb I built was a Chasm Reverb which i added a few modifications to so it can be more versatile and do traditional spring and hall Reverb while still having the stock spring, cathedral/modulated reverb available.
@ryleyperry1083
@ryleyperry1083 2 года назад
This is super interesting. I'm currently working on a belton brick reverb based on the Death By Audio Reverberation Machine and would love to add something like this. Do you have any resources on how to implement this with a Belton Brick?
@erikvincent5846
@erikvincent5846 2 года назад
@@ryleyperry1083 To implement oscillations with the Belton Brick, I believe it is just a matter of tying the input pin 3 to the output pins 5 and 6 with a 4.7K - 5.1K resistor and possibly a small 22nF capacitor. The resistance may need to be much lower or higher due to oscillation speed, and the 22nF might not be needed, as I don't know if the Belton's internals have coupling capacitors internal or not. But the premise is the same: feed the output back into the input.
@Iambowenjones
@Iambowenjones Год назад
I'm building my second pedal (a Keeley Mag Echo clone from PedalPCB with a momentary feedback mod) while taking an electronics class and this is the exact content I'm looking for, a step-by-step analysis of how the components affect the signal. This is crazy relevant. Thank you so much!!
@EDGARDOUX1701
@EDGARDOUX1701 2 года назад
LOVE these kind of videos..thank you!
@davidr8617
@davidr8617 Год назад
I built the Boy in Well, and it is great. I really like the feedback when you turn repeats fully CW then modulate it to control the feedback volume.
@Bob-Whiting
@Bob-Whiting 2 года назад
Very interesting indeed. Love this channel. Happy Holidays!
@erikvincent5846
@erikvincent5846 2 года назад
Thanks, you too!
@RiffHarvester
@RiffHarvester 2 года назад
Great video. I might try this on some of my delay pedals.
@jeroen4734
@jeroen4734 2 года назад
Fun stuff dude! Im gonna try this. Might also be cool to have it set up with a normal expression pedal, so you can up the repeats gradually until it runs away.
@MiamiVisor
@MiamiVisor 2 года назад
I love PT2399 delays, so this was a treat to watch. Would be cool to know how to insert a vibrato effect into the feedback loop to customize the sound. The new Crazy Tube Circuits pedal, TI:ME is the best PT2399 based delay I've heard, has the sweetest modulation to my ears.
@gk6993
@gk6993 2 года назад
I actually could follow "most" of how you described how this whole thing works. For that I thank you.
@arthuratkins5902
@arthuratkins5902 2 года назад
I needed this!!
@ci3008
@ci3008 2 года назад
Good stuff. Great explanation!
@bobt7484
@bobt7484 2 года назад
This is great. Well done!
@getarman
@getarman Год назад
Great show !
@asdf9890
@asdf9890 Год назад
great tutorial!
@bertrandmajorik6589
@bertrandmajorik6589 2 года назад
Very enriching, thanks !"
@tresmosqueteiros6729
@tresmosqueteiros6729 4 месяца назад
This is the feature I want in my delay pedal.
@elcochipit
@elcochipit 2 года назад
nice video! trying to undertand the Mosky SOL918´s delay (based on Mad Professor´s DBD)... thank´s for share such interesting info
@xsonicassassinx
@xsonicassassinx 7 месяцев назад
i learned this by accident last night by just jumpering pins to see what happens. now i've got a momentary switch for runaway mode :D
@jimbeaux4988
@jimbeaux4988 2 года назад
Oh that's cool.
@max.pedals8060
@max.pedals8060 2 года назад
If the feedback knob is set to 0, this doesn’t work. I think a better way would be to use a momentary bypass switch for the feedback pot. Doable with a spdt, signal would go into the common lug, then through the NC contact it would go to lug 2 of the feedback pot and the NO contact to lug 3 of the feedback pot. That way lug 2 is disconnected when pressing the switch so it won’t matter where the pot is set when you engage the switch.
@erikvincent5846
@erikvincent5846 2 года назад
This is true. That's a great way to accomplish that.
@roadtonever
@roadtonever 2 года назад
Can I suggest an Idea for a video? Show examples of parts behaving out of spec and giving absurd readings for different reasons. Or fun stuff you can do with a digital meter. Generally stuff you could amuse friends with.
@MarkRigler
@MarkRigler Год назад
Thanks
@allanjohncruise
@allanjohncruise 2 года назад
Love this kinds of video, can you please try the EHX freeze pedal?
@tbobbyelectric
@tbobbyelectric Год назад
It would be pretty rad if there was a really super old through-hole version of the Freeze, somewhere in history…. I’m sure it’s too crazy for me to want to look into, the way it’s built today, but it’d be an adventure to look into whether or not there ever was a simplified original prototype version, that would be modded by DIY’ers and Circuit Benders and our ilk, of course. Ha!
@PassiveProPH
@PassiveProPH 2 года назад
can you make a video on how to choose the right type of pots for effect pedals if its log or linear pots
@kaistutz7067
@kaistutz7067 Год назад
no more videos?
@MatheusRedHot
@MatheusRedHot Год назад
hey, i know it's not about this video, but could you make a video about how to put an effect level control on a chorus circuit? i got a dod fx67 stereo turbo chorus and its just too subtle for me, i wanted to know how i could change that
@Trent_Sutphin
@Trent_Sutphin Год назад
Hello I have a question about adding a volume control to a guitar pedal, I have a rocktron pulse that has everything pcb mounted and i dont know how to add a volume pot to it or if there is a way to get rid of the volume boost. Could I email you a picture of the pcb? thank you
@Quazee137
@Quazee137 Год назад
I have a question. Would something like this may be with some values changes work for a Indian flute.
@jonathancj3408
@jonathancj3408 Год назад
Can we use making pedals for any pcb board/breadboard
@cdeltv8025
@cdeltv8025 2 года назад
Can this be easy made for line level use? Unity gain?
@premiumboard21
@premiumboard21 Год назад
Hey, my delay pedal act like booster it boost the volume significanly when i engage it on, how can i fix it? Can you help me out?
@Harzurner
@Harzurner 7 месяцев назад
QSPICE - when are you moving over?
@timotiusacc5511
@timotiusacc5511 2 года назад
helppp my input signal always connected to ground and i dont know how to troubleshoot it. does it because the input resistor?
@erikvincent5846
@erikvincent5846 2 года назад
Aside from the stomp switch circuit having problems, you might want to double-check the bleeder resistor, R10. It should be 1 mega-ohm or greater.
@timotiusacc5511
@timotiusacc5511 2 года назад
@@erikvincent5846 when the pedal is off theres signal but when the pedal was on theres no signal. i think theres no problem with the switch and any of board wiring it must be do with the circuit. and its a true bypass pedal
@Chris-qd1xj
@Chris-qd1xj 2 года назад
What is the pedal that you use in the intro?
@erikvincent5846
@erikvincent5846 2 года назад
That's the Lich King Chorus.
@markocvejic6416
@markocvejic6416 Год назад
Why did you stop uploading videos?
@DiyguitarpedalsAu
@DiyguitarpedalsAu Год назад
Hi Marko. Oh, just life getting in the way of the things id rather be doing :) im still around and the store is still going. Cheers mate
@markocvejic6416
@markocvejic6416 Год назад
@@DiyguitarpedalsAu you got me worring :))
@MRsin084
@MRsin084 2 года назад
Can i find the schema?
@erikvincent5846
@erikvincent5846 2 года назад
Schematic is in the build doc. Link in the description.
@MRsin084
@MRsin084 2 года назад
@@erikvincent5846 thank's bro 👍
@nandhawalrost
@nandhawalrost 2 года назад
I got a problem with my first guitar pedal build (krank distortion clone). The problem is my guitar making a lot of noise when turned on like in your past video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-bv54-vZnqv8.html , and my pedal also making small amount of noise when I pressed bypass. My pedal powered by 9v battery. Please give me your solution.
@trevorarthurson6815
@trevorarthurson6815 4 месяца назад
Does this company still exist?
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