CX100's Resto-Mod

14 replies

The other midrange coil was fried, so I unwound a 25.5mm ID 6.5ohm coil down to 5.2ohm to match the other midrange driver. Cut to 0.950″ total length with 0.44″ coil length to match as well. Glued in and set with shims leaving wires close to ferrule attachment points for soldering….

 
Tired of the foam I had under them to angle up at the desk....



Finalized with fly-cut cross-hatch machining and omitted the thin sheet metal bracket mounts as they'll be attached and sealed with polyurethane rubber adhesive. This will mitigate any resonance at the highest volumes....

 

Finally got a weekend day to reassemble the new covers. Had to grind down the factory ABS crossover mounts to clear the alloy crossbraces.
I like the nickel plated binding posts with the patina. Added 4×4×5/8" open cell foam top and bottom directly behind mids as well. These added a couple lbs. to the build.

 

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