Realistic, Optimus, Radio Shack 8" Foam Repair Kit

Technical Specifications & Sizing

Repair Kit Contents

Speaker Compatibility & Fitment Guide

This premium 8-inch foam surround repair kit (Model 8F#1) is engineered to restore the proper acoustic suspension, low-frequency extension, and compliance of classic loudspeakers from the Radio Shack, Optimus, and Realistic families.

Over the decades, original polyurethane foam edges naturally degrade, dry-rot, and split. Replacing them with our high-compliance foam surrounds stops harmful voice coil rubbing, re-centers the cone, and completely recovers the rich bass and warm sonic signature that made these classic cabinets so popular.

Realistic Nova & MC Series

Fits iconic vintage bookshelf speakers and acoustic suspension stereo monitors:

• Nova Series: Nova 4, Nova 5, Nova 15, Nova 16

• MC Series: MC-1000, MC1000, MC-1401, MC1401, MC-1600, MC1600

Optimus Speaker Enclosures

Fits a wide array of classic multi-way cabinets, floor towers, and compact monitors:

• Optimus Models: Optimus 2 B, Optimus 6, Optimus 10, Optimus 40, Optimus 600, Optimus Pro220

Legacy Numbered & T-Series Cabinets

• Systems: T-100, T100, 2035, 2046

Radio Shack 40-Series Catalog Numbers

An exact replacement for 8-inch drivers cataloged under Radio Shack's standard engineering, component distribution, and custom system networks:

• Catalog References: 40-1006, 40-1015, 40-1016, 40-1024, 40-1027, 40-1100, 40-1286 C, 40-1366, 40-1988, 40-4030, 40-4034, 40-4042

💬 If your model is not listed above, it doesn't mean it won't fit — drop us a message and we'll gladly check it for you!