Bias trimmer pots for Vintage style amps units.
Bias pots for amps. Available in 10K and 25K. These are suitable for use in some vintage style units. They are the horizontal mount version of the vertical 15mm body parts that old marshall units used, rather than the smaller 10mm parts used in more modern amps.
Orientation: Horizontal, top adjust.
Resistance: 10K or 25K