
Anthony Easton
The Serf by Kingsley is a hand-wired valve (tube) boost pedal, utilizing a 12ax7 tube running at high voltage. The 12ax7 tube contains two gain stages. The first gain stage is a voltage amplifier that boosts the guitar's signal, while the second stage is wired as a DC-coupled cathode follower, providing a low impedance output. The pedal is suitable for general boosting duties and excels at pushing amps and overdrive pedals into higher gain. It is a clean boost that does not clip easily itself.
The applications for the Serf include:
- A full-range volume or solo boost, typically placed after any gain pedals
- A bright boost to liven a dark-sounding amp or as a simple preamp
- A boost for pushing overdrive pedals and amps harder, providing increased
overdrive/saturation
- A valve buffer and tonal enhancer when the pedal is turned on
Watch the latest video demos and reviews for the Serf from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Kingsley Serf from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Excellent
$377

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton