Yamaha 12 inch NS-690 II Refoam Kit (F12-1)

Price: $24.95

Fits NS-690 II and more

A – O.D. of the surround = 11.1″

B – Roll ends = 10.4″

C – O.D. of the cone = 9.2″

D – I.D. of the surround = 8.83″

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Description

Yamaha NS-690 series II 12″ Refoam Kit

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

Model #’s include:

NS-690 II and many more

Each Refoam Kit includes all the materials needed to repair two (2) speakers:

– Refoaming Instructions

– 2 Foam Surrounds

– Shims for Centering the Voice Coils (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 dust caps on these woofers are a unique size and color, so you can certainly try to hand center this woofer is wanted. Otherwise you can cut off the original dust caps, insert the shims and then reuse the dust caps when the repair is complete.

A – Outside diameter of the surround = 11.1″

B – Roll ends = 10.4″

C – Roll starts / O.D. of the cone = 9.2″

D – Inside diameter of the surround = 8.83″