Collection: Realistic, Optimus, Radio Shack

Radio Shack sold speakers under several house brands over the years, most commonly Realistic and Optimus, and models like the Optimus 2539 remain popular with collectors restoring 1970s-90s systems. Because these were sold in huge numbers at accessible prices, they're some of the most commonly repaired speakers we see — and the foam surrounds fitted at the factory have almost always perished by now, leaving the cone unsupported and the sound thin, rattly or distorted.

We stock repair kits across the full range of sizes used by Realistic, Optimus and Radio Shack-badged speakers, from small 5" satellites up to 10" woofers, each cut to the correct OD and ID for that model. Every kit includes two surrounds, T7000 adhesive, a brush and full instructions, so you can bring an old Realistic or Optimus system back to life without hunting for rare replacement drivers. If you're unsure whether a kit fits your speaker, drop us a message with your make and model and we'll confirm before you order.