• 2026-07-01

What effect does increasing the speaker’s input power have on the frequency response curve?

Increasing a speaker’s input power does more than simply make it louder—it may also change its overall frequency response. Explore how voice-coil heating and resistance variations affect the system Q and low-frequency performance through simulated response curves.
  • 2026-06-25

How to Interpret a Loudspeaker’s Frequency Response Range

What does a loudspeaker specification such as 500 Hz to 20 kHz at ±3 dB actually mean? This article explains reference SPL, response flatness, and IEC −10 dB bandwidth criteria to help engineers interpret frequency response specifications accurately and avoid common comparison errors.
  • 2026-06-24

What External Acoustic Structures Can Increase Sound Pressure Level?

Increase Sound Pressure Level Without Increasing Power! Understand the Amplification Principles of Helmholtz Resonators, Horns, and Quarter-Wavelength Resonators.
  • 2026-06-23

What Happens When Sound from an Electroacoustic Product Passes Through Openings in the Customer’s Mechanical Structure?

How Do Hole Diameter, Plate Thickness, and Hole Spacing Affect SPL? A Complete Guide to Acoustic Vent Design
  • 2026-06-23

How to Test the Resonant Frequency of a Paper Cone Speaker Unit?

A paper cone speaker unit has no voice coil and is not connected to a power source, so it can only be measured indirectly. This method is similar to the way a passive radiator is tested. When the paper cone speaker unit reaches its resonant frequency, the vibration amplitude of the unit itself becomes the largest. This is the same concept as a speaker reaching its maximum vibration amplitude at its resonant frequency.
  • 2023-06-08

What is the design goal of the electro-acoustic transducer ?

The following lists many requirements of electroacoustic transducers , but according to the principle of electroacoustics , it is impossible to meet all the requirements. Some demands are mutually exclusive and conflicting with each other, and electro-acoustic engineers need to choose between the ebb and flow of each other's factors. This means that electro-acoustic is not only an engineering discipline, but also an endless craft art.
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