mypasswordis Posted February 9, 2015 Report Posted February 9, 2015 The 4070 would beg to differ. The older Koss ESPs have bass, too. Both have their own solutions to managing the backwave and tuning the enclosure.
HemiSam Posted February 9, 2015 Report Posted February 9, 2015 I love the idea of 4070's. Heavy and lack of adjustability kept me from buying a pair that sold local recently. They were in stunning shape. HS
chinsettawong Posted February 9, 2015 Report Posted February 9, 2015 I have listened to a pair of 4070 before, and it sure has bass. I'm wondering how Stax does it. By the way, ChrisX, if you are able to design an open back cover (3d design), I can help you print them out with my 3d printer. Then you can change the cover to see if the sound is any better. Wachara C.
spritzer Posted February 9, 2015 Report Posted February 9, 2015 The 4070 is ported or rather slotted, so a bass reflex design. They diffuse the backwave and it will hit the ports or rather most of it. Pretty clever way of doing it...
ChrisX Posted February 9, 2015 Report Posted February 9, 2015 if you are able to design an open back cover (3d design), I can help you print them out with my 3d printer. So the plan is to convert the 900s into DIY-950s. Probably the best use for them.
spritzer Posted February 9, 2015 Report Posted February 9, 2015 There was a dynamic version which used similar housing back in the day. Parts might be interchangeable... A250 or something like that.
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