noguera
New Head-Fier
- Joined
- Feb 9, 2015
- Posts
- 6
- Likes
- 22
Thank you everyone for your comments, It is very encouraging to hear from real enthusiasts.
Quote:
TijmenK, The headband is actually rolled 1/8" x 3/4" aluminum stock, which was rolled into shape here in our metal shop. As expected, the headband itself is not very springy. As such, I rolled it to a diameter that suited my head and that still provides sufficient clamping force. an ideal material for this would be tempered stainless steel (I will try this mod soon). As for the height adjustment blocks, currently the friction is adjusted with a set screw, however I am thinking of replacing this with thumbscrews (like on vintage Grados) so you can also fix them in place if desired.
Billheiser, thank you so much. I didn't use any method for determining the chamber size, I just tripled the volume of the Panasonic headphones I had on hand. Once I replace the drivers with something decent, I can vary my outer cap design to hone in on the chamber volume and port size (It is 3d printed, so iterating on this would be quick)
Quote:
They look amazing! How did you fabricate the headband, did you roll it? What's the thickness, and how's the clamping force? Do the rodblocks allow for adjustment on the go or do you need to unscrew the screws before adjusting?
TijmenK, The headband is actually rolled 1/8" x 3/4" aluminum stock, which was rolled into shape here in our metal shop. As expected, the headband itself is not very springy. As such, I rolled it to a diameter that suited my head and that still provides sufficient clamping force. an ideal material for this would be tempered stainless steel (I will try this mod soon). As for the height adjustment blocks, currently the friction is adjusted with a set screw, however I am thinking of replacing this with thumbscrews (like on vintage Grados) so you can also fix them in place if desired.
Beautiful! How did you determine the cavity/chamber size, and the size of the port?
If you were to proceed into production (don't mean to get ahead of things here), you may want to consult an acoustician, to optimize sound.
Billheiser, thank you so much. I didn't use any method for determining the chamber size, I just tripled the volume of the Panasonic headphones I had on hand. Once I replace the drivers with something decent, I can vary my outer cap design to hone in on the chamber volume and port size (It is 3d printed, so iterating on this would be quick)