Originally Posted by point1
Difference between JTR 212 ported vs sealed?
has anyone here heard both and can provide comparison?
How much mid-bass (which is really what I am looking for today) would I lose if I go with sealed 212s for LCR?
Here are the measurements from when I drove up to Frohlich's to compare the two. As you can see, the sealed starts dropping near 250Hz and as was mentioned is 6 db down until the sealed starts the normal sealed enclosure reduction. Also note that outdoors the sealed 212 starts reducing at 90Hz and is 3 db down at 80 Hz and 10 db down at 70 Hz. So the ported 212 definitely extends lower as well.
I love the midrange and upper end of my 212 (I've heard 215RM/RT, Seaton Cat12, Danley SH50) but I do not recommend anyone buy the sealed 212 unless you plan to add midbass drivers, a baffle wall, or similar. Frankly, if you are asking the question and don't have plans to address the midbass, I'd buy the ported 212s and ride off into the sunset as you'll likely be very happy with the ported 212s. Some may not agree with me but that is my opinion.
Regarding the sound of the sealed 212 vs ported 212, I didn't hear any difference in the character of the midbass. Based on my limited listening to the ported 212, the midbass is just as articulate as the sealed 212. And most of the reviews and hype of the 212 on AVS were built based on the ported 212, which means everyone that said it was so sweet for music, were largely referring to the ported. So from a sonic signature stand point, the ported 212 should sound the same as the sealed 212, just a little more oomph and extension in the midbass section.
For my situation, I am looking to buy a pair or 4 JBL 2226H 15" midbass drivers to augment the low midbass.