Delay
Earthquaker Devices Space Spiral
Original info: “The Space Spiral is a dark and dreamy modulated delay designed to take you across the highways of fantasy. While the delay may be designed around a “dawn of digital” echo processor, the sound is out of this world, man. If you are a fan of the dreary echoes produced by old oil … Read more
Grind Customs FX De Profundis Delay
Merry Christmas everyone! Hope everyone gets ample time to get some soldering done over the holidays. Grind Customs had a lot of really great projects, but their site hasn’t been up in ages and it seems they’re gone for good. Their De Profundis delay was very well regarded and they offered an add-on modulation board, … Read more
Keeley Mag Echo
Here’s Keeley’s PT2399-based delay that aims to emulate old tape delays. I think it’s the first delay on the blog with built in modulation. It’s laid out with board mounted pots for a 125B enclosure with top mounted jacks. FYI, the trimmer controls the gain of the input stage.
Keeley Magnetic Echo
Original info: “The Mag-Echo pedal simulates tube tape echo sounds by using the delay circuit and a little bit of modulation. Tape echos have long been regarded as a warm and very guitar friendly form of delay. The Mag-Echo achieves similar results by using a touch of Lo-Fi delay, a slightly filtered echo response to … Read more
Sentinel
The Sentinel is a PT2399-based pitch modulator, delay, reverb and drone verb designed by Arnoud Philip (~arph) as part of the DIYSB 10th Anniversary design contest. It’s based on the Sewer Pipes ring-verb and the Noise Ensemble. Original thread here, schematic here. Should be able to squeeze it into a 1590B. Note: LED2 in the … Read more