Me150hs

[Earl K]

I saw the poss about Guido's reconing 2227 into ME150H


What frames am I thinking of that I've seen with the side vents near the magnet and under the spider?

The frame ( that was similar looking to the 2227 but with the foamed vents under the spider area ) belonged to the sub1500.


BTW, the 2227 cannot be reconed into a sub1500 due to a bunch of mechanical differences ( > I'm pretty sure Giskard laid all this out many years back ).

[Rudy Kleimann]

The frame ( that was similar looking to the 2227 but with the foamed vents under the spider area ) belonged to the sub1500.


BTW, the 2227 cannot be reconed into a sub1500 due to a bunch of mechanical differences ( > I'm pretty sure Giskard laid all this out many years back ).

Earl, thanks for pisting the picture!

Makes perfect sense... An ultra long excursion subwoofer would benefit from the vents to relieve the pressure & vacuum built up between The Spider and the top plate during long Excursion where the 2227 is a mid-woofer with relatively short excursion.
I would've thought the ME150H also would be built with the vented frame.