EARTHQUAKER DEVICES: Spires Green Channel

EQD Spires Green 015 vero v1 bb5983122697

The Earthquaker Devices Spires green channel is a variation of one of my favourite fuzz circuits – the Rosac Nufuzz.   It’s a progression of a fuzzrite from the original designer, but it has a tone control on the output sweeping between a small and large cap to provide a thin to thick fuzz sound.  There’s … Read more

EarthQuaker Devices Spires Red Channel

EQD Spires Red Channel 887e10a0e5d4

 For those who don’t want the whole Spires circuit with all the offboard wiring comes two separate öayouts for each channel. The red channel is a modified silicon fuzz face with some additional filtering and a fuzz control at the input. MPS3704 transistors seems to be not that common but a quick equivalent search reveals … Read more

Earthquaker Devices Hummingbird V2

EQD Hummingbird V2 fc5f1f55af3a

 New Year, might make Modulation Monday a thing. We’ll see. Anyway, here’s the EQD Hummingbird V2. It’s derived from the Vox Repeat Percussion and now updated to use the 2N6027 in place of the obsolete 2N2646. There’s also a couple other improvements from the earlier version so a new layout seemed like a good idea. … Read more

EARTHQUAKER DEVICES: The Depths

Earthquaker Devices The Depths vero layout v1 668c14e18ef1

I think it’s fair to say that you should not attempt this unless you are pretty confident with your builds.   The Earthquaker Devices The Depths, is their take on the Uni-Vibe.    The schematic can be found here, on PedalPCB in the build doc. EARTHQUAKER DEVICES THE DEPTHS – VERO LAYOUT THE DEPTHS VIDEO … Read more