Originally Posted by jefrs
An audio pot, A250k, is the one that bleeds off the sound too quickly, at half way you are down to 1/10 the signal voltage - you want linear volume pots B250k, they allow you to bleed off treble without losing much volume until about a third of the way down. The Linear pot allows fine control of the volume.
This is true of voltage, but not of volume the way the human ear hears it. Linear taper is actually perceived as a hump, and a linear pot would function more like an on/off switch, with most of the volume coming in the earliest part of the rotation.