Sony 12 inch Refoam Kit (F12-3)


Fits SS-U501 and more.
A – O.D. of the surround = 11.5″
B – Roll ends = 10.5″
C – O.D. of the cone = 9.375″
D – I.D. of the surround = 9″


Sony 12″ Refoam Kit

This kit will fit Sony 12″ speaker models that have an angled attachment to cone. Check for correct dimensions.

Model #’s include:
– SS-U501 and more.

Each Refoam Kit includes all the materials needed to repair two (2) woofers and two (2) passives:
– Refoaming Instructions
– 4 Foam Surrounds
– Shims for Centering the 1.5″ Voice Coils (If selected)
– 2 Dust Caps for the Woofers (If selected)
– 1 Bottle of Specially Formulated Foam Surround Adhesive

*It can be difficult to refoam a speaker without removing the dust cap and inserting the plastic shims. The plastic shims are used to center the voice coil and cone assembly while the speaker is being refoamed. If you do not use the plastic shims, the voice coil may be off center and it may lead to the voice coil rubbing. The passives do not need to be shimmed, since they do not have voice coils.

A – Outside diameter of the surround = 11.5″
B – Roll ends = 10.5″
C – Roll starts / O.D. of the cone = 9.375″
D – Inside diameter of the surround = 9″

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