Second impressions: I continue to be floored by these pickups!
The Keystones seem to be more responsive to changes with the tone control than any other pickups I've used. My tone control used to be either fully clockwise (no-load), or very slightly rolled back, especially with the bridge pickup. Now I'm tweaking it all the time. Fantastic.
The other thing I keep marveling at is the versatility of the bridge pickup. Very, very dynamic -- it can sound full and rich, thin and twangy, dark and smooth. Slight changes, such as pick attack angle and the like, make a noticeable difference with this pickup.
And I'm learning to like putting them in series, especially with a bit of overdrive and the volume rolled back just a touch.
I think I need another set now.
