The Finnish company Mad Professor are makers of high-end world class amplifiers and effects. We noticed Mad Professor around 2007 and has been following the company ever since. For this demo we teamed up with guitar player and gear reviewer – Simon Gotthelf. See Simon´s demo of the Stone Grey Distortion for V&R below. You can buy the Stone Grey Distortion here
Feel free to let us know what you think in the comment section below.
THE NEW MAD PROFESSOR STONE GREY DISTORTION IS A MODERN HIGH-GAIN DISTORTION PEDAL WITH UNPARALLELLED CLARITY AND DEFINITION.
This pedal was developed for high gain applications and specifically for clarity at heavy distortion levels.
The Stone Grey Distortion is unique in that it has razor sharp dynamics and high gain intensity. It’s ready for drop tuning, 7 string, and modern rock players who are seeking extreme gain with intense “string to string definition”.
Play a chord and hear each note distinctly, instead of it turning to “mush” like many other high gain pedals.
With the gain turned down, the Stone Grey Distortion approaches overdrive-like textures and responds to the player’s touch and dynamics like our other Mad Professor pedals do.
Controls
VOLUME sets the output level of the distorted signal.
TONE:: This is a boost/cut “shelving” type equalizer that controls the amount of high end, operating somewhere between a bright switch and the treble control on most amplifiers.
DISTORTION:sets the level of distortion
– lower levels more overdrive-like textures
– higher with heavier distortion.
CAUTION:
Never operate the unit with its bottom
removed or damage will most likely occur.
Electrical specifications
Current consumption: 8mA @ 9VDC
Voltage supply range: 7,5-15 V
Input impedance: approximately 500K
Recommended Output load: 50K or higher
Complete bypass (true bypass) and input of circuit grounded when in bypass.
Power requirements:
6F22 9V battery or DC eliminator 2.1 mm plug center/negative and positive/sleeve.
NOTES:
The Stone Grey Distortion is protected against wrong DC eliminator polarity.
Use recommended voltage for best results.
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