Need advice circle routing jigs

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Forum topic by groland posted 12-22-2009 07:02 PM 1871 views 0 times favorited 3 replies Add to Favorites Watch
View groland's profile


210 posts in 3584 days

12-22-2009 07:02 PM

I am repairing a vintage audio turntable (a Thorens TD-124 for those of you who are audio buffs.). In order to do this, I need to be able to route perfect circles from about 1 inch in diameter to about 12 inches in diameter in 3/4 MDF.

I am thinking there must be some sort of precision router jig available for this purpose. If not, what kinds of jigs might I make and how best to make them?

Essentially, I need to route/cut the MDF into a perfect circle ca. 12” in diameter. Then I need to route two depressions in it, both perfectly centered, one about 1.5 inches in diameter around the center and the other about 1/8 width about 6 inches from the center.

Any suggestions?

Many thanks,

George Roland

3 replies so far

View CoolDavion's profile


436 posts in 3996 days

#1 posted 01-16-2010 09:40 PM

Don’t know if you found what you were looking for yet but for purchase I’ve also seen plans for creating your own somewhere.

-- Do or do not, there is no try!

View davidpettinger's profile


661 posts in 3372 days

#2 posted 01-16-2010 11:02 PM

These guys should be able to cover any options you may require.

-- Methods are many,Principles are few.Methods change often,Principles never do.

View romanf's profile


20 posts in 3428 days

#3 posted 01-18-2010 06:40 PM

I have used the Jasper circle cutters and can say they work extremely well and are of high quality….

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