FlowLikeWater
100+ Head-Fier
in ur initial post (which you edited...kind of sus), you said the EVO’s dual BA woofers have more surface area combined than a 12mm dynamic driver.Are you getting kinda hostile over me just guessing what it BA woofers are when there still no info how it performs. When 7mm BA woofers are the Knowles CV line up.
The Etymotic ER4XR uses a vented BA too.
just questioning the validity of ur statement, which seems to be false.
quick maths:
not sure which model the EVO uses, but researching some large Knowles BA dual woofers (model RDI-33438-000) gives a combined max diaphragm surface area of about 7.9x4.1x2 ~ 65 square mm. It will be less in reality since the unit dimensions are of the case and not the internals, for obvious reasons.
a 12mm dynamic driver has surface area of 113 square mm.
i can’t remember ur original post word for word (y u edit )but I think u were trying to use the surface area as a pro BA argument, and as a DD fan i had to slide in and correct the numbers.
not that the numbers mean much tho, obviously implementation and subjectivity are the main factors for personal enjoyment, and if u like BAs over DDs u have a ton of great IEM options. ymmv