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One ControlSKU: 1007674

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The clean booster is nothing but an effector that amplifies signals. This is simple but therefore profound and used in various situations. 

What kind of booster is necessary to maximize performance in any situation? We set out on a quest to find the answer.

Granite is a rock whose name originated from the Latin word Granum, which means “grain seed.” It was thus named Granith with the hope that this product send out strong roots into the world.  

?Clean booster that was completely newly-designed by BJF
?Dedicated to low noise and attained the equivalent S/N ratio of a high-end   
    audio amp
?Great ease of use with guitar, bass, amplifier and effector
?High quality compact cut-out aluminum case
?Built-in battery possible
?Size:39Wx100Dx31H mm (excluding protruding parts)
?47Wx100Dx48H mm (including protruding parts)
?Weight: Approx. 140 grams 

Amazing noiseless performance

The booster is an effector that amplifies incoming signals. If the incoming signal has noise in it, the noise is also amplified. This is an undeniable fact. However, you don’t have to compromise by thinking that this is unavoidable when you use a booster. 

Try a truly noiseless booster. A world you’ve never experienced will unfold before you.

The One Control Granith Grey Booster is thoroughly dedicated to low noise. From the designing stage of the circuit, we tried to eliminate noise up to the limit of possibility. After repeated consultations between BJF and One Control, the booster now has a completely newly-designed circuit by BJF. It is full of BJF’s unique ideas that are liberated from conventional circuits. The case is made of high quality cut-out aluminum to protect the precious sound signals from inside and outside noises. It is also much more durable than die cast cases. 

Furthermore, the switching noise that is inevitable with true bypass switching is minimized with our original filter circuit.

As a result, the Granith Grey Booster went beyond the capabilities of a compact effector and attained an S/N ratio equivalent to a high-end vacuum tube audio amp. 

Suitable for any guitar, bass or equipment

The One Control Granith Grey Booster secured the 500kΩ input impedance to support any guitar and bass. You can use it by directly connecting to various guitar and basses regardless of types ranging from single coil, hum-bucking, active or passive. 

Output impedance was kept low up to 2kΩ at most, which fits almost all effector input and effect loop return on the amp.  

Awakening amp potential

The One Control Granith Grey Booster is great with any guitar amp. It not only pushes a tube amp, but also is suitable for boosting drive channels inside the transistor amps. It can also be used just like other amps for analog circuits even when used with a number of digital amps. 

If you are using high-gain amps, connecting the Granith Grey Booster to the effect loop will allow the volume to be boosted with power amp distortion while taking advantage of strong preamp distortion at the same time.

The Granith Grey Booster will maximize the potential of any amp to awaken its true capability. 

For any effect boards

Even the greatest booster cannot be called user-friendly if it requires special care while transporting it.

One Control introduced an original super compact cut-out aluminum case for the Granith Grey Booster. The size allows compatibility with small effector boards as well.

We also made pedals this size to be battery-powered to allow usage without an outlet. The innovative technologies that arrange four PCBs inside secured the space to hold batteries while preserving the standard mini size. 

The power consumption is kept below 1mA to allow longer battery power.

The One Control Granith Grey Booster works with center negative 9VDC adapters (EPA-2000 is recommended) or 006P 9V batteries.

  • When batteries need to be replaced the LED lights turn off and the sound starts to be distorted.

The drive voltage of the Granith Grey Booster is set at higher than the normal level (8.8-9.6V) to realize high quality sound. So the batteries need to be replaced before they get down to zero. Please use new batteries when you replace them. 

The current consumption of the Granith Grey Booster is quite low, staying under 1mA and allows longer battery life even at higher voltage. 

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