I HAVE A 375 THAT NEEDS A DIAPHRAM REPLACED AND I UNDERSTAND THAT THE ORIGINAL DIAPHRAMS FOR THESE CAN NO LONGER BE GOTTEN,IS THIS TRUE?
ALSO,CAN ANYONE TELL ME WHAT THE AUDIBLE PERFORMANCE DIFFERENCES ARE BETWEEN THE ORIGINAL DIAPHRAM AND THE DIAPHRAM FOR THE PRO VERSION OF THIS DRIVER (2440) MIGHT BE,THIS IS WHAT JBL IS SHOWING AS A REPLACEMENT PART.
THANKS
PHIL