Boost (Tube clean boost) · $285
The Kingsley Serf is an analog tube clean boost pedal based on the 12AX7 tube (single, Tungsol reissue), with Volume; 3-way Mode switch controls, made in Canada. From $285.
| Category | Boost (Tube clean boost) |
| Circuit / based on | 12AX7 tube (single, Tungsol reissue) |
| Signal | Analog |
| Controls | Volume; 3-way Mode switch |
| Switches | 3-way Mode switch (full-range / bright / added output with low-end roll-off) |
| Footswitches | 1 |
| I/O | Mono in / mono out; valve buffer |
| Power | 9VDC |
| Power draw | 500 mA |
| Enclosure | Smallest Kingsley tube pedal |
| Country of manufacture | Canada |
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