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Why does the power amplifier need electromagnetic vibration testing?
To protect the rights of customers, Sinbosen conducts electromagnetic vibration testing on each amplifier before shipment. Electromagnetic vibration testing is a test method used to evaluate the reliability and durability of products in a vibration environment. It tests the structural strength and functional stability of the product by simulating various vibration conditions that the product may encounter during transportation, installation and use.
Working Principle
Electromagnetic vibration testing is usually performed using an electromagnetic vibration tester. The device generates vibrations through electromagnetic force and transmits the vibrations to the vibration table. The vibration table is used to place the product to be tested, and the product is vibrated by the movement of the vibration table. The core component of the electromagnetic vibration tester is the electromagnetic exciter. When current passes through the coil, a magnetic field is generated around it, which interacts with the permanent magnet in the vibration table to generate a torque, thereby driving the vibration table to reciprocate.
Purpose
Evaluate equipment performance: Through electromagnetic vibration testing, the performance of the power amplifier under electromagnetic interference and mechanical vibration environments can be comprehensively evaluated, including audio output quality, signal stability, and equipment stability, etc., providing an important basis for product performance evaluation.
Discover potential problems: During the test, potential problems that may occur in the power amplifier under electromagnetic interference and vibration environments, such as insufficient electromagnetic compatibility and loose structural connections, can be discovered, and improvements and optimizations can be made in a timely manner to improve product quality and reliability.
Guide product design and improvement: The test results can provide guidance for product design and improvement, helping engineers understand the performance of power amplifiers in different environments, thereby optimizing circuit design, improving structural layout, enhancing electromagnetic shielding, etc., and improving the overall performance of the product.
Ensure product compliance: Through electromagnetic vibration testing that complies with relevant standards, ensure that the power amplifier products meet market access requirements, can successfully pass safety certification and quality inspections, enter the market for sales, and meet the needs of consumers and professional stages.
Importance
Ensure equipment reliability: Stage amplifiers are subject to various electromagnetic interferences during use, such as wireless signals, radiation from other electronic devices, etc. Electromagnetic vibration testing can simulate these interference environments, detect the performance of the amplifier under electromagnetic interference, and ensure that it will not fail or degrade due to electromagnetic interference in actual use, thereby ensuring the reliability of the equipment.
Improve sound quality stability: Electromagnetic interference may affect the transmission and processing of audio signals of the amplifier, resulting in problems such as sound quality distortion and increased noise. Through electromagnetic vibration testing, the sound quality performance of the amplifier under electromagnetic interference can be detected to ensure that it can provide stable sound quality output in various electromagnetic environments and meet the high requirements of professional stage for sound quality.
Extend equipment life: Vibration testing can simulate the mechanical vibration that the amplifier may encounter during transportation, installation and use, and detect the stability and durability of its structure. Through vibration testing, the weak links of the equipment under vibration environment can be found and improved, thereby extending the service life of the equipment.
Comply with safety standards: Electromagnetic vibration testing is an important part of amplifier safety testing, and complies with relevant international and national standards, such as IEC 62368-1, etc. It is a necessary step to ensure product safety and compliance. Through testing, the safety performance of the amplifier can be ensured in various electromagnetic environments and vibration conditions, avoiding safety accidents caused by electromagnetic interference or structural failure.
Providing customers with high-quality products and services has always been Sinbosen's purpose and pursuit. We firmly believe that good products should be recognized by customers and achieve win-win cooperation with customers.