Description
Signal loss from long cables and stacked effects is a real tone killer, and the Xotic Super Clean Buffer (SCB) exists specifically to stop it. Built for the guitarist who lives by the “straight into a great amp” philosophy, the SCB sits at the front or end of your chain and restores the clarity, punch, and top-end sparkle that gets lost along the way.
At its core is a Class A preamp built around the well-regarded JRC4558 chip. When you’re running it purely as a buffer, the SCB switches to a discrete circuit path, giving you an open, wide-bandwidth tone that stays transparent rather than colored. Flip it into boost mode and you get a rich, usable +12dB of clean gain — enough to push a solo forward or wake up a sluggish amp without smearing your tone.
What sets the SCB apart is control: an external DIP switch lets you dial in exactly where that boost frequency sits, so you can tailor the lift to fit your guitar, amp, and the rest of your rig rather than accepting a one-size-fits-all voicing. It’s equally at home driving a sprawling rack rig or a single pedal on a bare board — the SCB just makes sure whatever’s downstream gets the full, unloaded signal your guitar actually produced.
- High-performance Class A preamp built around the JRC4558 chip
- Discrete buffer circuit for open, wide-spectrum tone
- +12dB of clean boost
- External DIP switch for selectable boost frequency / EQ shaping
- Small footprint, works with minimal or elaborate signal chains alike






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