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FINEConeAcoustic Finite Element Dome/Cone Simulation ProgramThe FINECone program gives you freedom to use your time andcreativity to design better loudspeakers. Within seconds you cancalculate the Frequency Response for a new driver or analyseyour problems with an existing driver. FINECone can drasticallyreduce time-to-market for new products.1 inch Aluminium Dome withproblem at 15 kHz. SimulatedresponseFINECone 3D animationshows mode at 15 kHz1 inch Aluminium domewith solved problem at 15kHz, by adding glue joint.Simulated responseSave Engineering TimeHigh accuracy calculations in FINECone only take 5-30 seconds.Save Tooling & CostsFINECone predicts the performance so well that you only needto build one prototype instead of trial-and-error experiments.Better ProductsUse the Material Database to find the best driver componentsand optimize the cone thickness or stiffness that fits your exactdemands.Problem free productionOptimising the development process streamlines theproduction so you don’t have to spend your time firefighting.New Features• DXF error tracking• Export of response curves with phase• Automatic air load calculation• Frequency response over plot• Library of DXF and FINECone models• Import of TS parameters fromFINEMotor• Undo in 10 levels• Improved whizzer cone calculation• Chinese interfaceFINECone 1 inch Alu Dome Break-up mode @ 26451 Hz4
FINECone ExamplesNew Designs:In the design process for a completely new woofer the cone andsurround is a big challenge, because the response is not knownand no dimensions exists.With FINECone this situation is elegantly handled and the usercan quickly simulate many different cone shapes, and play withthicknesses etc. plus surround roll dimensions as well as dustcaps, glue joints and even voice coil former materials.FINECone Simulated andMeasured 6” WooferThe design of dome tweeters is even more demanding, butnot with FINECone. Here you can simulate the thinnest domediaphragm up above 50 kHz and optimize the dome andsurround shape, as well as a very thin glue joint.Modification of existing designs:If you are not satisfied with a standard product you can simulateit in FINECone and find out what can be improved. It is very easyfor example to change the cone material to Kevlar, Titanium oreven more exotic materials like Beryllium.Problem SolvingMaybe you have designed a nice looking woofer with an inverteddust cap, but unfortunately with bad response already around1300 Hz. By exporting the response to FINE X-over we find thatthe x-over cannot remedy this problem. However the FINEConesimulation shows that the surround is the problem. The simulatedsolution is found easily and corrects the problem fully.FINECone mode @ 1308HzSimulation of ImprovedwooferAnother example is a Chinese made Silk Dome Tweeter whichhas a response problem at 7 kHz. The simulation revealed thatthe dome edge and surround was breaking-up at this frequency.A possible solution was an additional glue joint to stiffen theedge. However that adds mass giving a lower SPL. A bettersolution was found by changing the bad geometry to avoid theproblem without loss of efficiency.Simulation of ImprovedDome5
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Page 14 and 15: R+D))FINE R+D))Acoustic Measurement
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