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Original Message
RE: Adding a tweeter to MMG
Posted by Satie on February 23, 2017 at 08:26:46:
SMGs are too short to be a real line source, I suggest you drop that option.
The Neo8 clones from China have a serious primary resonance issue in the midrange around 300 hz which is rather minor with the original BG drivers. The second issue is that you need a multiplicity of Neo8 drivers to cancel out the very prominent 12khz cavity resonance - about 6 per side. But if these clones are well made they will give you an idea of the clarity you can get with this kind of driver.
Your idea for the MMG is solid but a 1.6 + a later addition of a ribbon tweeter will do much better. The 1.7 is already a 3 way and has a pretty good tweeter so it would be a waste to pay the premium for that when you intend to apply a ribbon.