In this video, we show you how to replace the coil inside the TOA DG30AS driver unit, typically used with TH-650 horn speakers. Whether you're maintaining a public address system or restoring sound clarity, this step-by-step tutorial helps you get the job done safely and correctly.

🔧 What you'll learn:

• How to open the DG30AS driver

• How to inspect and replace the burnt or damaged coil

• Tools needed for safe replacement

• Tips to prevent future coil damage

📌 Suitable for TOA horn speakers like TH-650 + DG30AS / DG30DB

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