Router circle cutting jig ideal for the speaker maker
120 different size cutouts in 1/16-inch increments
Made from 3/8-inch thick cast acrylic
Designed for smaller speaker cut-outs, tweeters and midranges
Editorial Review:
If you're a speaker builder, then you need this tool! Introducing the Jasper Audio Circle Jig precision router attachments. These jigs convert your plunge router into a precision circle cutting device. The Model 200 will cut circles and mortises in 1/16" increments from 2-1/4" to 18-3/16" in diameter. Model 400 is perfect for tweeters and small midranges, cutting holes from 1" to 7-1/2". This makes it the ideal tool for creating highly accurate cutouts in custom built speaker cabinet baffles. Designed for use with MDF, plywood, particle board, solid woods and plastic sheet. Model 400 mounts directly to the base of 19 different models of plunge routers including Bosch 1615, DeWalt 621 and 625, Freud FT2000E, Hitachi M8V, TR12 and M12V, Porter Cable 690 series and 7539, Skill 1823 and 1835, and all Sears, Ryobi and Makita models. Made in the U.S.A.
The Jasper Router Circle Cutting Jig is ideal for the speaker maker. Designed primarily for making smaller speaker cut-outs, particularly for tweeters and midranges, it can also flush mounting speaker drivers. Converting a plunge router into a precision circle cutting device, the jig allows the craftsman to make 120 different size cutouts in 1/16-inch increments. The cutouts range in size from 7-to-18-3/16-inches. Perfect for tweeters and small midranges, it cuts holes from 1-to-7-1/2-inches.
Manufactured from cast acrylic 3/8-inch thick, the jig can be left on the router as a sub base, and be used with MDF, plywood, particle board, solid woods and plastic sheet. Made in the U.S.A., this circle cutting jig mounts directly to the base of 19 different models of plunge routers including Bosch 1615, DeWalt 621 and 625, Freud FT2000E, Hitachi M8V, TR12 and M12V, Porter Cable 690 series and 7539, Skill 1823 and 1835, and all Sears, Ryobi and Makita models.
Customer Reviews:
Avg. Customer Rating: 4.5 / 5.0
Works well but too fragile. This thing works great, is precise, and repeatable (which is it's primary value over some other jigs including homemade ones) Unfortunately, the material is just not up to being mounted and dismounted a lot, so use care and watch the torque when mounting it. It's one of those odd tools. Given the fragility of the material, and the fact the cheap materials means there has to be a HUGE markup, it is overpriced. However, it works very well if you don't break it. It's the kind of tool after using I'd... more info
A Great Tool For Circles & Speaker Building Projects!!!! This Jig Is A Must If You Are A DIY Speaker Builder! This Jig Will Route Very Accurate Recessed Areas and The Cut Out Area Also, For A Very Professional Look!
The Unit Was Very Easy To Install And Align On My Skill 1823 Plunge Router. Just Follow The Directions If All Else Fails And You Will Be Up and Running Shortly. The Pivot Pin Is A Tight Fit, No Play With this Little Feller. Do Recommend Having A Spare Pin Or 1/8" Drill Bit Laying Around For BackUp! For Routing The Recessed Areas Use A Standard... more info
Nicely made and accurate I bought the Jasper model 400 circle jig for a DIY loudspeaker project to cut holes and to provide countersink lands for the drivers. I use it with a Bosch 1617EVSPK plunge router. I appreciate the supplied calibration disk and 1/4" pin that allows the jig to be centered easily on the router base. The jig is designed to be used with a 1/4" diameter cutting bit but I wanted to use a 3/4" diameter bit for a large woofer countersink land. I quickly discovered that the 1/4" bit specification is for real... more info
OK Product I have used this product previously for acrylic manufacturing and found the pivot point holes to be very accurate. It is very helpful to use a drill press instead of a hand drill for the holes. Extra pins are almost essential as tool is useless without it. Item is semi-consumable because of softness and thickness of the plastic it is made from, but very good accuracy for my needs. I did receive wrong item from Amazon vendor so I am commenting on an item I bought locally.
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