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350 West Bowery Street
Akron, OH, 44307
United States

(330) 252-9220

Official website for EarthQuaker Devices. We build guitar effects by hand in the quaint landlocked city of Akron, Ohio.

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Spires

Rosac Nu-Fuzz and the discontinued EQD Dream Crusher™ in one enclosure

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Spires™
Fuzz Doubler

The Spires was born from my need to have my big old Rosac Nu Fuzz and our now discontinued Dream Crusher on my pedalboard without taking up all the space.

The Green channel features a cranked fuzz inspired by the Rosac Electronic Nu-Fuzz, which, for all the unacquainted fuzz seekers, was released in 1968- decades prior to the dreaded “nü” prefix ever being uttered. The original schematic for Rosac Nu Fuzz is somewhat of a mystery so I used my original to make a “sonic copy” that is pretty much dead on. It is full-on fuzz all the time and uses crude wide range Tone control to change the character from big and warm to sizzling and blown out. The original was slightly below unity at max so I gave this one plenty of output volume while retaining the original tone.

The Red channel is a silicon version of the now discontinued Dream Crusher. There’s no need to mourn the loss anymore. Dreams will still be crushed with walls of classic two transistor fuzz; only this time, the crushing will be much more stable and less temperature sensitive. It features a very usable, dynamic Fuzz control and tons of output volume, just like the original.


Demo Videos


Controls

 
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Green Controls

1. Tone: Changes the tonal character of the fuzz. Darker counterclockwise, brighter clockwise.

2. Green: Sets the output level when the green LED is lit.

Red Controls

3. Fuzz: Adjusts the fuzz amount — dirtier clockwise, cleaner counterclockwise

4. Red: Sets the output level when the red LED is lit.

Foot Switches

5. Channel Switch: Selects between Red (Dream Crusher) and Green (Nu Fuzz) channels

6. Activate Switch: Turns the effect on and off


Audio Samples

GUITAR SAMPLES

 

SYNTH SAMPLES



Tech Specs


List Price: $199.00


Measures: 4.65" x 3.65" x 2.25" with knobs


Current Draw: 44mA


Red

  • Input Impedance: 100K Ohm

  • Output Impedance: <10K Ohm


Green

  • Input Impedance: 200K Ohm

  • Output Impedance: <10K Ohm


Switching

This device is true bypass and uses electronic relay-based switching. Audio will not pass without power.


Power

This device can be powered by a 9v battery or a standard 9-volt DC power supply with a 2.1mm negative center barrel. We always recommend pedal-specific, transformer-isolated wall-wart power supplies or multiple isolated-output supplies. Pedals will make extra noise if there is ripple or unclean power. Switching-type power supplies, daisy chains and non-pedal specific power supplies do not filter dirty power as well and let through unwanted noise. DO NOT RUN AT HIGHER VOLTAGES!