String Voodoo

[patman]

For shits and giggles I tried the free string they sent. Totally different. Liveley, vibrates true...almost like a TI Jazz flat.  Good harmonics.  The original string was defective.

[Dave W]

That doesn't surprise me, despite your previous post. You definitely can have problems with a pickup too close to the string, but it doesn't usually result in intonation issues like you had. Glad you got it sorted out.

[Rob]

Years ago I had a Fender Chrome flat wound that acted the same.