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Gaskets [message #51946] Fri, 28 March 2008 20:30 Go to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 17663
Registered: January 2001
Illuminati (33rd Degree)

The PVC plastic used to make shower pans makes a great gasket material. Cardboard works pretty well too.

It's easy to make gaskets. Just draw an outline of the part with a pen, and also make a mark where mounting holes are.

http://www.pispeakers.com/misc/pcb_gasket_outline.jpg
Drawing an outline of the crossover PCB to make a gasket


Next, cut the gasket out and make holes for screws with a hole punch.

http://www.pispeakers.com/Basshorn/Cutting_Gasket.jpg
Cutting out a gasket


You can make gaskets for drivers, horns, crossover PCB's, Zobel resistors, access panels, whatever you need. It is very easy to do.

http://www.pispeakers.com/misc/gaskets.jpg
Gasket set for a four π loudspeaker


Re: nice looking xover! [message #51947 is a reply to message #51946] Fri, 28 March 2008 23:12 Go to previous messageGo to next message
Matts is currently offline  Matts
Messages: 359
Registered: May 2009
Grand Master
those auricaps and mills sound nice!

Re: Gaskets [message #51948 is a reply to message #51946] Sat, 29 March 2008 00:12 Go to previous messageGo to next message
Shane is currently offline  Shane
Messages: 1109
Registered: May 2009
Illuminati (3rd Degree)
Great idea Wayne!! One thing I messed up on mounting my drivers for the Two Pi's was that the screw heads for mounting were just a hair too big and mussed up the "gasket" on the front of the woofer driver because I wasn't paying attention. I ended up having to peel a layer off because they looked so bad. Now they just look bad instead of completely atrocious. Time to make some grills to cover them up!

Re: nice looking xover! [message #51949 is a reply to message #51947] Sat, 29 March 2008 00:33 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 17663
Registered: January 2001
Illuminati (33rd Degree)

Big coils too. Keeps bass tight.


Re: Gaskets [message #51950 is a reply to message #51948] Sat, 29 March 2008 00:35 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 17663
Registered: January 2001
Illuminati (33rd Degree)

I know whatcha mean. Best to use #6 screws to hold those drivers to the baffle. I sometimes put a dab of white glue on front gaskets that have gotten beaten up. Put it in between layers if they separate and press them back together.


Re: Gaskets [message #51959 is a reply to message #51946] Sun, 30 March 2008 04:23 Go to previous messageGo to next message
Bill Epstein is currently offline  Bill Epstein
Messages: 1090
Registered: May 2009
Location: Smoky Mts. USA
Illuminati (3rd Degree)
Never seen those red Mills before. What are they?



Re: Gaskets [message #51961 is a reply to message #51959] Sun, 30 March 2008 22:37 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 17663
Registered: January 2001
Illuminati (33rd Degree)

The 16Ω and 20Ω parts just came that way, brown. The 30Ω resistors were black.


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