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M CRUNCHMr Duck bass dynamic envelope filter

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Price: €180.00
Number Pezzos in packaging:1
Number Pezzos in box:1
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MAESTRO is a Treble Booster inspired to the legendary Dallas Rangemaster, widely used in the late ‘60s and early ‘70s.

Queen, Eric Clapton, John Mayall, Black Sabbath and many others have used it and it is still widely sought-after, becoming a very rare object.

The sound is characterized by germanium transistors (OC44 or equivalent) capable of reproducing a valvular sound and in the mean time it passes it on to the connected chain of effects.

It provides a boost on mid-range and treble tones that can add a layer of sweet distortion to the sound of the guitar.



The addition of dynamic control (MISCELA) mixes the sound, melting it with the sound features of your instrument amplifying the versatility and the possibilities of use.




Guadagno (Gain):

It manages the amount of harmonic pressure.

The increasing of the Booster is very linear and interacts beautifully with the Mixture's settings.


Miscela (Mixture-Dynamics):

It adjusts the dynamic of the Booster in a largely progressive way, it interacts with every nuance of the guitar without mixing the harmonics, even in full chord.



Electrical Specifications:


Supply voltage: 9V (center - / + External)

Completely True Bypass




MAESTRO is capable of turning your sound into the one of the ‘60s' tube amp, a real "VINTAGE" sound, providing pressure to the sound of your guitar enhancing it with clear and full harmonics, increasing the dynamics.

It enhances crunch sounds without any noise, it’s perfect for both Blues and Rock at all levels.

It's very British.

(Translation by Liz)

It’s amazing and it cannot lack!

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