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Flat-wound voice coil-vs-Standard

 

Silver Member
Username: Makinblak

Monroe/Monticello, La/Ar

Post Number: 870
Registered: Oct-10
What's the advantages/disadvantages? And what does it mean? a flat coil wire?
 

Gold Member
Username: Somedonniedude

Illinois Braaap MX

Post Number: 3279
Registered: May-07
Yes the wire wound on the oil is flat or square shaped instead of round.

pros: flatwound usually yields higher thermal handling and slightly higher bL.

cons: flatwound usually cost more. Heavier. I have heard in the past that roundwire coils are better for sq but haven't seen any facts to actually back that up.

For daily and/or spl woofers flatwound is the way to go IMO.
 

Gold Member
Username: Somedonniedude

Illinois Braaap MX

Post Number: 3281
Registered: May-07
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cutaway of a flatwound coil. with roundwire coil u get small gaps in between the windings due to them being round, with flat wire the winding all lay perfectly on top of each other leaving no voids. wish no gaps and more metal/windings, you get more magnetic flux strength in the gap aka higher bL
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