Instructables
Picture of MICROPHONE SHOCK MOUNT
This Microphone Shock Mount was made at Techshop!

The purpose of a microphone shock mount is to mechanically insulate a microphone from picking unwanted mechanical noise through the microphone stand. This noise can be caused by nearby vibrations like kick drum, people movements etc.

A friend of mine, who works as a Sound Engineer at tango.me (FREE Mobile Calls) asked if I could come up with a better microphone shock mount.


 
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Step 1: This is the final product :-)

Picture of This is the final product :-)
Here are the steps I followed:

Step 2: I first tried to make the support with a welding electrode

Picture of I first tried to make the support with a welding electrode
It didn't work :-(    I guess I am not talented enough, still need to work on the welding !

Step 3: I then tried to make the microphone support by bending welding electrodes

Picture of I then tried to make the microphone support by bending welding electrodes
The result was much worst :-((

Step 4: Nothing was working so I asked a Techshop staff member for help

Picture of Nothing was working so I asked a Techshop staff member  for help
He suggested using acrylic: make 2 rings that would be connected by a spacer.
 

Step 5: I made the first prototype in less than 5 minutes on the laser cutter

Picture of I made the first prototype in less than 5 minutes on the laser cutter
The idea may be working  :-)

Step 6: After making the first prototype on the laser, the same TechShop staff member (thanks Brian) suggested using Autocad Inventor 2012 to make the real deal. This took more than 5 minutes, but was worth it :-))

Picture of After making the first prototype on the laser, the same TechShop staff member (thanks Brian) suggested using Autocad Inventor 2012 to make the real deal. This took more than 5 minutes, but was worth it :-))


Step 7: So, here you go : Step by step instructions on Autocad Inventor 2012

Picture of So, here you go :  Step by step instructions on Autocad Inventor 2012

Step 8: First launch Inventor, then start a new sheet metal.ipt file

Picture of First launch Inventor, then start a new sheet metal.ipt file

Step 9: The sketch1 consists on:

Picture of The sketch1 consists on:
  • a circle centered in the origin with a  7" diameter 
  • a circle centered in the origin with a 6.75" diameter 
  • a circle centered in the origin with a 6.5" diameter 
  • a 8 x .1" rectangle centered in the origin

Step 10: Clean up using the trim tool and the sketch 1 is ready to strude

Picture of Clean up using the trim tool and the sketch 1 is ready to strude

Step 11: The ring is now done. Finish the sketch and strude it :-)

Picture of The ring is now done.  Finish the sketch and strude it :-)

Step 12: Now open a new sheet metal.ipt file

Picture of Now open a new sheet metal.ipt file

Step 13: Draw :

Picture of Draw :
Draw :
  • a 2.5 x .5" rectangle, its left bottom corner needs to be placed on the origin
  • 2 small rectangles, 1 and 2 inches, from the origin and over the x axel with a size of .1
Trim the side of the small rectangle adjacent to the x axle


Then draw
  • 2 small circles with a .1 diameter, with the center over the edge and 1 and 2 inches from the axle y
Trim the remaining lines

Step 14: Fillet both corners of one end with .25" Then create a construction line over the y axle, and mirror the object

Picture of fillet both corners of one end with .25


Step 15: Finally to finish the SKETCH, go to MODEL and ESTRUDE it

Picture of Finally to finish the SKETCH, go to MODEL and ESTRUDE it

Step 16: The next step will consist in opening an assemble file

Picture of The next step will consist in opening an assemble file

Step 17: Place the ring

Picture of Place the ring


Step 18: Then, place the spacer

Picture of Then, place the spacer

Step 19: Create a constrain between the 2 rings so that they will be in the same axle

Picture of Create a constrain between the 2 rings so that they will be in the same axle

Step 20: Now let's CONSTRAIN

Picture of Now let's CONSTRAIN

Step 21: Here you can see the spacer with the rings

Picture of Here you can see the spacer with the rings

Step 22: Now, it is time to place the other spacers around the rings, 6 times :-)

Picture of Now, it is time to place the other spacers around the rings, 6 times :-)

Step 23: Done !

Picture of Done !
This is what it looks like when assembled :-)

(Thanks to Brian again  :))

Step 24: Now let's use the laser to cut the acrylic piece.

Picture of Now let's use the laser to cut the acrylic piece.


First, export the rings and the spacers as DXF

Step 25: Open Corel Draw and open both files

Picture of Open Corel Draw and open both files

Display the element in a way so that you maximize the use of the acrylic

Step 26: Cut in the laser

Picture of Cut in the laser


(See the original microphone support)




Step 27: Glue the parts together, and mount a microphone with rubber bands :-)

Picture of Glue  the parts together, and mount a microphone with rubber bands :-)



Step 28: Install it where you want :-)

Picture of Install it where you want :-)



easy  ....ahahah....

Thanks to Techshop staff for helping me with the design  :-)


Step 29: Now, it is time to check if there is a real improvement in the sound quality with my new support ...

Picture of Now, it is time to check if there is a real improvement in the sound quality with my new support ...

Step 30: But I won't stop there, another friend from Techshop pressed me to improve more a bit, suggesting to reduce the natural frequency of the system.

Picture of But I won't stop there, another friend from Techshop pressed me to improve more a bit, suggesting to reduce the natural frequency of the system.


The idea is to uneven the distance between the mass and the support by changing the size of each rubber band, and by hanging a different mass on each rubber band in a different position.

COOL IDEA !


thegeeke1 year ago
Good basic shockmount, but just a heads up, those rubberbands can easily slip which would create noise. Shockmounts are generally built specifically for the mic that will be used in them, with a bracket made for that mic. That way it doesn't slip. But like I said, good basic design. (And for a mic that doesn't have a shockmount designed for it, this would definitely be better than nothing. :)
GregoriNiculitcheff (author)  thegeeke1 year ago
hi bro
Great comments, seams to be a pro :)
thank you for the comments :)
No problem! :)
Pro

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