Tag compressor

Flatline v2 Build

The Flatline is a a great simple compressor designed by John Hollis. Check out my original article on Flatline for some background. This is an update to the original board that incorporates some mods by Atomium Amps. Besides me part…

Flatline OP2134

This is the Flatline compress by John Hollis with some mods by Atomium Amplification. I’ve built a few of these and they all work well. Flatline is a simple optical compressor built from a handful of easy to find parts.…

Flatline v1.1

The first version of my Flatline PCB worked well but had a couple of small problems. Check out my original post for more information about the Flatline Compressor.  I fixed the issues with the original PCB, and had some boards made through PCBWay.com.…

Flat Line by John Hollis

The Flatline is a compressor with a simple effective design. It works surprisingly well for its simplicity. I’ve built a few of these over the years on strip board. This time I decided to make my own printed circuit boards.…

New PCB day!

I have a few new PCB projects in the mail today. Flatline Compressor by John Hollis Titan Boost by John Hollis Tremolo-matic XXVIII from Stompboxology Distort-o-matic XI from Stompboxology Bobtavia by Bob Starr John Hollis John Hollis was one of…

Flatline Compressor mini

This is the John Hollis Flatline compressor. I built this with the Mad Bean Afterlife PCB. This is an optical compressor. It works pretty good for a no frills minimal parts count project.

1776 Bear Hug Compressor

It’s a compressor, might be a good one, I can’t tell. From what I here the best compressors are the ones that make you ask “is this thing on?” Easy build worked on the first test.

Compressor thing

Here’s a my take on the LED  compressor thing. Really this is just a “mash up” of mictester’s “Really Cheap Compressor and the John Hollis Flatline compressor. You could look at this as the Flatline with a simplified LED driver.…