Park and Ride build underway

[JimL]

I have a Mad Professor Snow White that I love so I wanted to give this quack pedal a try. I had to special order a ceramic cap so that is blank for now. Also was confused about the extra holes for the 500K trim pot. I checked other posts on the forum and it seemed that other members did not use the two bottom holes - a 3662. I also hit a snag because the TL074 chip has seven legs and my sockets are 4s and 8s. I ended up shaving off the extra two legs on an 8 I had on hand and it worked.. I will probably complete this pedal tomorrow but am starting the build report now. Fingers crossed that it quacks!

First image shows the socket I shaved. Second shows the trimmer spot with extra holes. Last image is my list and notes

 

[jimilee]

I have a Mad Professor Snow White that I love so I wanted to give this quack pedal a try. I had to special order a ceramic cap so that is blank for now. Also was confused about the extra holes for the 500K trim pot. I checked other posts on the forum and it seemed that other members did not use the two bottom holes - a 3662. I also hit a snag because the TL074 chip has seven legs and my sockets are 4s and 8s. I ended up shaving off the extra two legs on an 8 I had on hand and it worked.. I will probably complete this pedal tomorrow but am starting the build report now. Fingers crossed that it quacks!

First image shows the socket I shaved. Second shows the trimmer spot with extra holes.

Nice. I really like mine. It don’t auto quack, but it’s got some nice parked wah sounds.

 

[JimL]

Nice. I really like mine. It don’t auto quack, but it’s got some nice parked wah sounds.

I am glad you were successful. I saw a few on here who had problems

 

[comradehoser]

Looks like your TL074 is in the wrong way. If there's only a dot, use the dot (pin 1) to orient ICs; if there's a notch, the notch takes priority.

The sockets are agnostic to the plastic they're encased in, it's the pin connection that matters. I use 32-pin in-line snappable sockets.

 

[JimL]

Looks like your TL074 is in the wrong way. If there's only a dot, use the dot (pin 1) to orient ICs; if there's a notch, the notch takes priority.

The sockets are agnostic to the plastic they're encased in, it's the pin connection that matters. I use 32-pin in-line snappable sockets.

You have no idea how much I appreciate your post. Luckily I paused work to organize. This reminds me of when I used to sit down and alphabetize my CD collection. lol.