Atlas Sound 81-8R Round Hole T-Bar Bridge with a Round Cut-Out for 8-Inch speakers

I was once like you everywhere I looked perfect circles left and right they were everywhere I could never seem to retain them in my car audio endeavours there's always a jagged lines Wow ah just horrible horrible until I saw the light welcome to a car audio fabrication quick tutorial so for this tutorial you're going to need a few things the first one being your yeah spur circle guide they actually make this in two different sizes this is the smaller of the two you're going to need a quarter inch bit on your router there and as you can see I have a normal Ryobi router it's definitely better if you have a plunge base but I'm going to show you guys how you can get away without having that by making two passes you're also going to need a drill and a 3/16 drill bit that you will then put the pin in the center of your circle this pin comes with the diaspora circles aid so as you can see I've