Tag: flatline

  • Flatline v2 Build

    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 value changes, this board adds a trim pot to set the release /decay time for…

  • Flatline OP2134

    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. If you like compressors, want to build one yourself try this, you’ll probably like it.…

  • New PCB day!

    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 the first people I ran into posting DIY designs on the internet. All of his…

  • 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.