Can You Replace the Voice Coil in a TOA TU-652M Driver? Maintenance Tips & Solutions

Introduction

TOA TU-652M is a high-performance compression driver commonly used in public address (PA) systems, factories, outdoor areas, and halls. After prolonged use or under overload conditions, this component may exhibit problems — especially related to the voice coil.

So, the main question:

Can the voice coil on the TU-652M be replaced?
Yes, the voice coil can be replaced, as long as the replacement is compatible and the installation is done correctly.

This blog will explain when to replace the coil, signs of damage, and tips care for a longer lifespan.


 

Signs of a Broken Voice Coil

Among the common symptoms that indicate a voice coil problem:

• No sound at all

• Breaking, buzzing or unclear sound

• Intermittent sound during use

• Excessive heat or musty smell from drive

Common causes include:

• Powered by an amplifier that is too powerful

• The effect of ‘feedback’ or continuous loud noise disturbance

• Humidity / moist environment

• Component age too old
  
  
   

   Can I Change Coils? Yes!

  You can change the TU-652M voice coil, but need to make sure:

• Replacement coil compatible with TU-652M specifications

• The replacement process is done with proper technique and alignment

• Note: Usually the coil is sold together with the diaphragm (membrane). One set conversion is safer for optimal performance.

• If in doubt, send to certified technician brian 0163280755
  
  
   

  General Ways to Change Voice Coils (For Technicians)

   Make sure the device is turned off and unplugged from the audio system before starting.

• Remove the TU-652M from the speaker horn

• Open the back cover of the unit

• Remove the old coil (with diaphragm)

• Check if the coil is damaged (burned or broken effect)

• Install a new coil – make sure peCorrect alignment

• Test the unit before reinstalling it into the system
  
  
   

  Where to Find Replacement Coils?

  You can get replacement coils from: TOA DG30DB Voice Coil – Replacement Diaphragm Coil For TOA Compression Driver Units Selangor, KL, Batu Caves, Malaysia Event Lighting Equipment, Amplifier Speaker BG Sound & Light Sdn Bhd
  
  
   

  Maintenance Tips to Avoid Repeated Damage

• Use an amplifier that matches the drive power

• Install High-pass filter to avoid excessively low frequencies

• Avoid use with audible ‘feedback’ strong

• Protect from rain and moisture when used outside

• Perform periodic checks if used daily
  
  
   

  Conclusion

  TOA TU-652M is a durable driver that can last for years, but the sound coil can be damaged if used carelessly.

  The good news: You can swap the coils, and restore system performance without having to buy a new unit.

  This replacement service saves costs and is user friendly Professional technician or installer.
  
   

  Need Help?

  We're here to help you:

• Repairing or replacing coils

• Looking for a replacement coil

• Backing up compatible TOA systems

• Technical support & installation