BB-01 BETTER BOX™ clean harmonic booster (designed by Susumu Tamura)

More Harmonics.
More Touch.
More Expression.

What if you could get the harmonic richness and expressive response we love about great tube amps — without having to distort your sound?

That question is where the BB-01 Better Box™ began.

The SC-01 Source Code is an exceptional overdrive, designed to enhance harmonic content and translate the subtle nuances of a guitarist’s picking into a richer, more expressive sound.

...but an overdrive is still an overdrive.

The op-amp and clipping circuitry that generate those harmonics inevitably introduce distortion, waveform clipping, compression, and changes in frequency response.

And sometimes, you simply don’t want distortion.  You want your clean tone.  You want the character of your guitar, your pickups, and your amplifier to remain intact.  You just want more from your fingers to reach the speaker.

That became our challenge:
—Could we add musically useful harmonics without relying on conventional overdrive clipping?

Could we make a clean guitar sound warmer, fuller, and more three-dimensional — with some of the harmonic character and responsiveness we associate with a great tube amplifier — while preserving pitch definition and the fundamental character of the instrument?

We began exploring that idea in 2023.

—The result is the BB-01 Better Box.

NOT ANOTHER OVERDRIVE

The Better Box was not designed to create an overdriven guitar sound.
It was designed to enhance what is already there.

Rather than using conventional clipping as the primary means of creating its effect, the Better Box adds harmonic content to give your guitar a thicker, slightly rounder, more tube-like character while maintaining clarity and note definition.

The result isn’t simply “more tone.”

It is more response.  Pick harder, and the sound responds with authority.  Back off, and the subtle details remain.

Change your pick attack, play with your fingers, roll back the guitar volume, or simply alter the way you touch the strings — and those subtle differences all become more apparent.

The Better Box doesn’t just respond to your guitar—It responds to you.

HEAR MORE OF THE PLAYER

Great guitar tone isn't only about frequency response.

It is also about harmonics, dynamics, attack, and the complex relationship between the player, the strings, the pickups, and the amplifier.  Those details are what make one guitarist sound different from another — even through the same rig. 

The Better Box is designed to preserve those differences and make them easier to hear.  Chords retain their individual note definition while gaining harmonic richness.

Single notes become thicker and more expressive.  Subtle changes in picking strength and fretboard touch become part of the sound instead of disappearing inside it.  And because the goal is not simply to generate distortion, the BB-01 adds this character to clean and edge-of-clean sounds where a conventional overdrive may be more than what you need.
Yet the Better Box can bring this additional harmonic richness to distorted tones as well, breathing new life and dimension into any dirt box or amplifier.

YOUR GUITAR, YOUR AMP, YOUR HANDS—just more of them.

The goal of the Better Box was never to make your guitar sound like something else.  It was to make you feel as though your guitar and amplifier had somehow become better versions of themselves.

Warmer.
More dimensional.
More responsive.
More alive under your fingers.
Not an effect that demands to be heard.
An effect that makes you easier to hear.

BB-01 BETTER BOX:

More Harmonics. More Touch. More Expression.
Don’t change the way you play - Reveal more of it.