Yamaha 8" Foam Repair Kit

Technical Specifications & Sizing

Repair Kit Contents

Yamaha Speaker Compatibility & Fitment Guide

This premium 8-inch foam surround repair kit (Model 8F#1) is specifically engineered to restore the precise acoustic suspension, mid-bass performance, and low-frequency transients of vintage and modern Yamaha loudspeakers.

Replacing deteriorated, dry-rotted foam prevents voice coil misalignment and friction, fully recovering the pristine, balanced response your Yamaha monitors and subwoofers were designed to output.

Check the categorized lists below to verify if your exact Yamaha cabinet model or factory part number is supported.

Yamaha NS & NSA Loudspeaker Series

Fits classic home stereo cabinets and acoustic suspension bookshelf speakers (capturing variations with and without hyphens):

• Classic NS Models: NS-4, NS4, NS-655, NS655, NS-80, NS80, NS-S34

• NSA Series: NS-A635, NSA635, NS-A635A, NSA635A, NS-A820, NSA820, NS-A820A, NSA820A, NS-A930, NSA930, NS-A935, NSA935, NS-A2835, NSA2835, NSA-3500, NSA3500

Yamaha YST Subwoofer Series

Fits high-compliance active subwoofers and integrated home theatre low-frequency effects (LFE) units:

• YST Subwoofers: YST-A755, YSTA755, YST-SW45, YSTSW45, YST-SW120, YSTSW120, YST-SW150, YSTSW150

Yamaha Pro Audio, PA & Studio Monitors Fits popular professional sound reinforcement systems, active stage monitors, and reference speakers (including common spelling variations):

• Studio & PA Equipment: HS-80, HS80, AS-108, AS108, MS-60SE, MS60SE, Stagepas 300, Stagepass 300

Factory Component & Transducer Codes If your original 8-inch driver frame or magnet structure is stamped with any of these internal manufacturing codes, this kit is an exact match:

• Yamaha Part Numbers: JA-2015, JA2015, JA-2063, JA2063, JA2156, JA 2156, AAX6165R

Factory Component & Transducer Codes

If your original 8-inch driver frame or magnet structure is stamped with any of these internal manufacturing codes, this kit is an exact match:

• Yamaha Part Numbers: JA-2015, JA2015, JA-2063, JA2063, AAX6165R

💬 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!