Here's another one, new to me, the Anderson Crowdster Plus 2, latest in a line. Looks like mainly an electric guitar company--
https://www.andersonguitarworks.com/crowdster-plus-2
Only learned of it because it has a new fan here on the forum
https://www.acousticguitarforum.com/...d.php?t=681476
Interestingly from the promo copy,
The same wonderfully lush and uncompromised live music acoustic abilities as the Crowdster Acoustic, expanded to utter magnificence by 2 electric guitar pickups that are specifically tuned to listen to the voice of bronze strings.
I'm sure it's utterly magnificent, but it caught my eye since Cole Clark has been promoting its own patent-pending system:
A large part of the amplified sound of an acoustic guitar is the use of phosphor bronze strings. This raised an issue. Electric magnetic pickups will only hear the nickel core of an acoustic guitar string, meaning the bottom four strings produce a lower volume than the top two strings.... To combat this, Cole Clark’s resident electronics genius Paul Gale set about inventing a machine capable of altering the strength of each pole piece in a magnetic pickup to perfectly balance the sound for phosphor bronze strings....