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Optimus 8" Foam Speaker Repair Kit FSK-8 (PAIR)

Part Number:RSO-FSK-8
Optimus 8" Foam Speaker Repair Kit FSK-8 (PAIR)
Optimus Repair Kit # FSK-8
Optimus 8" Foam Speaker Repair Kit FSK-8 (PAIR)
Your Price:$24.95
List Price:$34.95
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Optimus 8" Speaker Foam Repair New-Edge-It ® Kit, Part # FSK-8

Optimus Speaker Foam Edge Repair Kit
Outer diameter:
7-3/4" (197mm)
Roll outer diameter:
7" (178mm)
Cone diameter:
5-7/8"- 6" (149mm - 152mm)
Inner diameter:
5-3/8" (137mm)
Foam roll width:
9/16" (15mm)
Variances up to 1/8" (3mm) from your speaker measurements are OK.
  • Optimus 8" angle attach woofer foam repair kit. New-Edge-It ® part # FSK-8
  • Original Optimus woofer design
  • Fits most 8" frame speakers with 5-7/8" to 6" cone

Please check the model and size of your speakers before ordering to be sure you receive the correct foam edge repair kit.

  • Speaker New-Edge-It ® foam repair kits include:
  • Two new formula polyether foam rubber surrounds. These last much longer than the original foam.
  • Special CLEAR speaker repair adhesive part # MI-3035. The same adhesive we use for our repairs.
  • We do NOT use generic glue or Elmers type white glue like others sell.
  • Easy to follow illustrated instructions. Installation average time is 30 minutes per speaker.
  • You do not need to remove the dust caps to install these kits perfectly - every time.
  • See online installation instructions here: Speaker Refoam Instructions
  • FREE technical support. FREE shipping to any USA address.
  • Join over 150,000 customers that have used our New-Edge-It ® speaker foam repair kits successfully!
5 Stars
Excellent service to the UK backed up by friendly email support with a link to a very useful youtube video.
Did you find this helpful?  3 of 3 Found Helpful
Reviewed by:  from London, UK. on 11/30/2015
5 Stars
I’m totally happy with the results of repairing my old rotted out speakers.They had been setting up unused for years. I was going to throw them away until I somehow came across Simply Speakers repair kit. After reading reviews I decided to try the repair and happy I did. Not that hard to do and my speakers sound good as new.
Did you find this helpful?  3 of 3 Found Helpful
Reviewed by:  from Tampa. on 4/4/2015
5 Stars
music lover
Easy to use and made the speakers sound like new again. I would highly recommend. Great product.
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from Van Buren, Arkansas. on 4/10/2016
5 Stars
Great Product!
Love my c. 1995 Realistic speakers. Trying to replace them meant buying smaller bookshelf speakers or something much taller, with smaller drivers. I could have purchased replacement drivers, but this kit was perfect and I didn't need to worry about the quality of the drivers I might buy. Easy to install and worked perfectly!
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from Dracut. on 2/21/2016
5 Stars
The repair was easy to use. The refurbished speakers work great.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Wisconsin. on 3/16/2016
5 Stars
Great fit
Foam fit into the speaker was great. Simply Speakers glue worked great.
Did you find this helpful? 
Reviewed by:  from Tempe Az. on 4/28/2018
5 Stars
Great product, as per usual
This is the second set of speakers I’ve repaired using your product, which is so great it gives me the confidence to continue doing it. I refurbed this set of speakers for my dad’s birthday, and he absolutely loved them.
Did you find this helpful? 
Reviewed by:  from DFW. on 11/14/2017
5 Stars
The repair kit worked out great! Saved me a bunch of money. I couldn't be happier.
Did you find this helpful? 
Reviewed by:  from Niagara Falls NY. on 11/8/2017
5 Stars
I purchased this kit to repair the 8" woofers in my 30+ year old Realistic MC-1401 speakers.Not having done this type of repair previously, I was concerned about centering the cone, glueing the new foam ring to the cone, etc. However, with the aid of SimplySpeaker's excellent YouTube instructional videos, the repair went perfectly & the speakers once again look & sound like new. I would certainly recommend this product to anyone needing to repair their speakers.
Did you find this helpful? 
Reviewed by:  from Ontario, Canada. on 10/15/2017
5 Stars
the speaker foam I purchased worked well so far. some day I may try another replacement procedure. thanks
Did you find this helpful? 
Reviewed by:  from warrenton virginia. on 8/7/2017



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