How to turn the extremely linear four-piston APM driver back into a regular whatever because you can't find square surrounds - it's easy : make it round again !
> http://www.ebay.com/itm/ESPRIT-APM-6-MONITOR-SPEAKERS-SONY-/250913663433 !
Of all the real APMs (APM-8 /6 /4 /77) I've spotted over the years, the 6 is by far the most often butchered.
Thanks to "the house of natural sound" in L.A. for this one !
