Constable
Tube preamp with two 12AX7 valves at 270V. British-voiced with Bright and Normal inputs.
Kingsley Amplifiers builds hand-wired tube effects in Calgary, Canada using traditional tag board construction and premium components.
The Constable is a two-tube preamp featuring dual 12AX7 valves running at 270VDC. British-voiced circuit with both Bright and Normal input options, allowing different tonal starting points.
Full preamp-style controls provide comprehensive tone shaping. The high operating voltage ensures authentic tube response with proper headroom and dynamics. Can drive power amps directly or serve as a front-end boost.
Hand-wired on tag board with point-to-point construction. Premium components throughout. Built to professional amplifier standards in Canada.
Power: 12VDC @ 500mA, center positive, 2.1mm plug (ships with power supply).
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