Pt2399 delay circuit

Here's Valve Wizard's take on the PT2399 delay. It's very similar to most PT2399 delays out there, with a dual op-amp providing input and output buffering. This was designed with the tails function and it uses Valve Wizard's usual J112 switching. Here's his original schematic and explanation of the circuit. You can also use a DPDT footswitch for bypassing, using one side to turn the delay on/off and the other for LED indication. I've included 2 extra pads on the PCB layout for this function…

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Made a Motor Driver Controller board powered by an Atmega328PU and an HC01 Module for Connectivity.

DIY reverb pedal circuit can be designed using PT2399 IC chip. The circuit has adjustable decay and room size, modelling from spring reverb to hall reverb.

Check out the tre_audio DIRTY DELAY Pedal. It’s is a mashup of two awesome effects, a classic overdrive and a delay, in one pedal! The Delay part of the circuit is based on the classic PT2399 chip, which was originally created for Karaoke machines, but is now used in many of your favorite guitar pedals. While this chip has been used before, we’re making it a little more versatile by pushing the chip to its limits with longer tails, infinite repeats, and sweeter tone. The Overdrive circuit...

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Power-ON Delay Switch which can be used in all applications requiring a delay during power-on from...

This is a library of perfboard and single-sided PCB effect layouts for guitar and bass for pedal building enthusiasts.

Here is another Mad Professor pedal, one of the designs which has garnered the most interest around it. Well, it's been gutted and revers...

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Gotten a few requests for this one and I finally got around to doing it. It's a bit of a hodge-podge–3 dual opamps, a hex inverter, and a JFET mu-amp array. Definitely not fitting this in a 1590B, but will fit nicely in a 1590BB with the pots board mounted. Info and schematic here.

I created my own ADS1256 PCB after working with this AD converter for several years. I wanted to build a simple board for this ADC that allows me to fully utilize the power of it. I added an ATmega32u...

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TweakTone Delay Circuit for DIY Guitar Effects - PT2399 900MS

In this DIY, we are developing a “time delay switch” using CD4011. CD4011 is a versatile IC and utilizes a wide range of purposes. It is

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