Gear / Technical Help > Microphones & Setup

Jecklin Disc

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Brian Skalinder:
Great info on what it is and how it works:

http://www.josephson.com/tn5.html

Mike French's take and subsequent discussion about Jecklin disc v. spaced omnis:

http://www.taperssection.com/index.php?board=3;action=display;threadid=800;start=0

Mike's webpage with pics of his homemade J-disc:

http://homepage.mac.com/jmfrench/PhotoAlbum16.html (dead)

David Sanders' Jecklin disc webpage:

http://www.scitaper.com/jecklin.htm (dead)

edit by Moke, to add updates;

Razorbacks Disc built for Bean thread. good stuff;
http://taperssection.com/index.php?topic=48334.0

Bean's j-disc in the making by rAzOrBaCk
http://taperssection.com/index.php?topic=48334.msg624203#msg624203

New J-disc setup with 'the arm' by freelunch;
http://taperssection.com/index.php?topic=45413.0

Brian Skalinder's DIY disc:
http://taperssection.com/index.php/topic,95491.msg1271661.html#msg1271661

goose:
An interesting read on the Jecklin disc.  I have seen that page before - good information.  Something I got out of it this time around was a comment which seems to say that ADK TLs (multi patterned switchable mics) should NOT be used for this setup.
------------
 C. The Jecklin disc in practice
I. Microphones for recording with the Jecklin disc

For recording with the Jecklin disc, sound pressure microphones must always be used, i.e. "real" sound pressure microphones. Mircophones with a switchable directional characteristic, insofar as they are designed as double diaphragm microphones, may not be used.
------------
Am I understanding that correctly or no?  

MOKE - did you notice any issues with the setup?  I know you liked that sound better than without the baffle.....what do you think of that comment?

bluevolvo:
soooo...been wanting to try this technique out for a while, and finally had the epiphany needed to make it happen.  i figure if a headliner is good enough for sound dampening in an auto (i work in the [YIKES!] industry) it should work pretty well in this application - shout out to azdel forming!!  it's also green since this scrap didn't end up in a landfill somewhere for the next 1000 years or so - plus i'd like to think it turned out pretty well and looks almost professional...only the maiden recording will tell...

real...$250

jDOG...$15
(using updated specifications; flying authentic MK-012 omni's)





shopping at Michaels Arts & Crafts...priceless

for the technical minded, the mounts are custom by length (ok it's just a grade 8 socket head cap screw) and detachable for transport:



close of mount connection.  precision center drilled on lathe; stud welded one side; 10-32 tapped other:

Brian Skalinder:
Looks great!  :coolguy:  Post a small sample after the first outing, if you're willing.

mfrench:
nice!
you should fabricate a few shorter variable length mounts, to allow getting the mics closer to the disc face. I doubt you'd want to go wider, but having a couple of setting steps inward would increase the functionality.

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