Time to refoam the woofers on these Pioneer CS-772 speakers
I heard these speakers had "coil rub"? What is that? Let's figure it out and refoam the woofers to fix it.

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Speaker Repair and Foam Surround Replacement for Cerwin Vega and Others

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Is it Restorable? Pioneer SX-1980

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HIFI FOR THE 99%

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Why I Keep Telling People to Buy 50 Year Old Speakers

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PIONEER CS-922A RESTORATION. РЕСТАВРАЦИЯ PIONEER CS-922A.

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Building a Subwoofer that KICKS HARD

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Sansui 6060 - Fixing the Cabinet Veneer and Upgrading to LED Lighting

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Solder won't stick

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How Heavy Duty Truck Piston Is Made From Scrap

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Can DIY Speakers Beat $10,000 Speakers??

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Most Expensive Fails Ever Caught on Camera

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Will this Pioneer PL-A35 found in a basement play vinyl again?

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The BUMPBOXX BB-777 Assessment

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The Silent Nakamichi Factory: How Japan's Cassette Deck King Destroyed Itself

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Vintage HiFi: Let's talk about small speakers

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Wie man einen Lautsprecher repariert | SWR Handwerkskunst

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Fixing a trash-picked CRT Television

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Man Builds a FERRARI From an Abandoned CLASSIC | Start to Finish by @Home Built By Jeff

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Motorola Radio Restoration And Modification - Full Detailed Procedure With Bluetooth Addition!

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