Information
33 World cup-daero, Yeonje-gu, Busan, South Korea
+82 51-805-4520
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Overview
- Summary
- Sigma Eltec Co., Ltd. is a manufacturer specializing in test equipment, measuring instruments, oscillators, analyzers, and generators since its establishment in 1987. The company possesses unique technology and accumulated know-how in the development of sound and vibration measurement equipment for speakers. It supplies measurement equipment to domestic and international speaker manufacturers in countries like China, Japan, India, and the Philippines, demonstrating global capabilities. The company's goal is to contribute to its customers' production of better products by developing efficient and convenient solutions.Sigma Eltec Co., Ltd. is a manufacturer specializing in test equipment, measuring instruments, oscillators, analyzers, and generators since its establishment in 1987. The company possesses unique technology and accumulated know-how in the development of sound and vibration measurement equipment for speakers. It supplies measurement equipment to domestic and international speaker manufacturers in countries like China, Japan, India, and the Philippines, demonstrating global capabilities. The company's goal is to contribute to its customers' production of better products by developing efficient and convenient solutions.
- Key Products/Technologies
- Loudspeaker Test Oscillator: A range of loudspeaker test oscillators including models like SG-5425A, SG-5428A, and SG-3520A High Power. These oscillators offer automatic and manual sweep modes for Rub&Buzz inspection and feature low THD (Total Harmonic Distortion) characteristics. Direct speaker drive capability through a built-in power amplifier.Loudspeaker Test Oscillator: A range of loudspeaker test oscillators including models like SG-5425A, SG-5428A, and SG-3520A High Power. These oscillators offer automatic and manual sweep modes for Rub&Buzz inspection and feature low THD (Total Harmonic Distortion) characteristics. Direct speaker drive capability through a built-in power amplifier.
- Audio/Sound Analyzer: Development of audio analysis equipment such as AS-202 Multi Analyzer, AS-202 3D Analyzer, SG-5622A, SG-5822A, and SG-5822B models. Precision analysis technology for simultaneous measurement and evaluation of frequency response, SPL, impedance, Fo, Ze, THD, phase, polarity, and Rub&Buzz. Capability to detect even minute Rub&Buzz through an innovative signal analysis algorithm.Audio/Sound Analyzer: Development of audio analysis equipment such as AS-202 Multi Analyzer, AS-202 3D Analyzer, SG-5622A, SG-5822A, and SG-5822B models. Precision analysis technology for simultaneous measurement and evaluation of frequency response, SPL, impedance, Fo, Ze, THD, phase, polarity, and Rub&Buzz. Capability to detect even minute Rub&Buzz through an innovative signal analysis algorithm.
- Durability Test System: Provision of speaker durability test systems including ST-5000A, SG-5000A, and SP-6013A models. Solutions necessary for verifying the long-term reliability of speakers.Durability Test System: Provision of speaker durability test systems including ST-5000A, SG-5000A, and SP-6013A models. Solutions necessary for verifying the long-term reliability of speakers.
- Voice Coil Temperature Meter: Development of voice coil temperature meters such as SG-3622A and SG-36210A models. The SG-36210A offers simultaneous 10-channel measurement, recording of input voltage and temperature, and actual voice coil temperature measurement according to international standards (EIA, CEA-426-B).Voice Coil Temperature Meter: Development of voice coil temperature meters such as SG-3622A and SG-36210A models. The SG-36210A offers simultaneous 10-channel measurement, recording of input voltage and temperature, and actual voice coil temperature measurement according to international standards (EIA, CEA-426-B).
- Speaker Fo/Ze Tester: Equipment for measuring the minimum resonance frequency (Fo) and impedance (Ze) of speakers, including SG-2882A, SG-2884B, SG-2784B, and SG-2782B models. Features constant voltage and constant current measurement methods, Qo measurement function, and automatic measurement and printing capabilities.Speaker Fo/Ze Tester: Equipment for measuring the minimum resonance frequency (Fo) and impedance (Ze) of speakers, including SG-2882A, SG-2884B, SG-2784B, and SG-2782B models. Features constant voltage and constant current measurement methods, Qo measurement function, and automatic measurement and printing capabilities.
- Ear Phone Tester: The SG-2312A model provides a comprehensive test solution for earphones, inspecting various items such as SPL, impedance, leakage current, short circuits, Zener Diode, Remote SWITCH, ESD, Condenser Mic, Speaker Voice Coil resistance, and Volume resistance.Ear Phone Tester: The SG-2312A model provides a comprehensive test solution for earphones, inspecting various items such as SPL, impedance, leakage current, short circuits, Zener Diode, Remote SWITCH, ESD, Condenser Mic, Speaker Voice Coil resistance, and Volume resistance.
- Core Advantages
- Over 30 Years of Experience and Expertise: A specialized company with over 20 years of unique technology and accumulated know-how in speaker sound and vibration measurement since its establishment in 1987.Over 30 Years of Experience and Expertise: A specialized company with over 20 years of unique technology and accumulated know-how in speaker sound and vibration measurement since its establishment in 1987.
- Precise and Innovative Measurement Technology: Capability to precisely analyze various acoustic characteristics like frequency response, THD, and Rub&Buzz simultaneously, with an innovative signal analysis algorithm for detecting even minute defects.Precise and Innovative Measurement Technology: Capability to precisely analyze various acoustic characteristics like frequency response, THD, and Rub&Buzz simultaneously, with an innovative signal analysis algorithm for detecting even minute defects.
- Extensive Product Portfolio: A broad lineup of measurement equipment including loudspeaker test oscillators, audio analyzers, durability test systems, voice coil temperature meters, Fo/Ze testers, and earphone testers.Extensive Product Portfolio: A broad lineup of measurement equipment including loudspeaker test oscillators, audio analyzers, durability test systems, voice coil temperature meters, Fo/Ze testers, and earphone testers.
- Global Market Supply Experience and Customer Network: Supplying equipment to speaker manufacturers in major Asian countries like China, Japan, India, and the Philippines, and securing global corporations such as Samsung and LG as key clients.Global Market Supply Experience and Customer Network: Supplying equipment to speaker manufacturers in major Asian countries like China, Japan, India, and the Philippines, and securing global corporations such as Samsung and LG as key clients.
- Customer-Centric Product Development: Continuous efforts to develop products equipped with efficiency and convenience to support customers in producing better products.Customer-Centric Product Development: Continuous efforts to develop products equipped with efficiency and convenience to support customers in producing better products.
- Integrated Hardware and Software Solutions: Offering integrated solutions that combine high-performance hardware with PC-based software for automated measurement, data recording, statistical processing, and remote control functions.Integrated Hardware and Software Solutions: Offering integrated solutions that combine high-performance hardware with PC-based software for automated measurement, data recording, statistical processing, and remote control functions.
- Target Industrie
- Speaker Manufacturers: Supplying essential measurement equipment for acoustic characteristics, durability, and quality inspection of various speaker units, including loudspeakers and earphones.Speaker Manufacturers: Supplying essential measurement equipment for acoustic characteristics, durability, and quality inspection of various speaker units, including loudspeakers and earphones.
- Audio Equipment Manufacturers: Contributing to the performance evaluation and quality control of various audio devices through audio analyzers and noise generators.Audio Equipment Manufacturers: Contributing to the performance evaluation and quality control of various audio devices through audio analyzers and noise generators.
- Motor Manufacturers: Providing motor testing solutions for analyzing the noise and vibration characteristics of motors.Motor Manufacturers: Providing motor testing solutions for analyzing the noise and vibration characteristics of motors.
- Power Amplifier Manufacturers: Supplying equipment for performance and reliability testing of power amplifiers.Power Amplifier Manufacturers: Supplying equipment for performance and reliability testing of power amplifiers.
- Major Markets
- China, Japan, India, Philippines, Indonesia, Vietnam, KoreaChina, Japan, India, Philippines, Indonesia, Vietnam, Korea
- AustriaAustria
- Argentina, BrazilArgentina, Brazil
- Certifications/Patents
- Acquisition of patent for 'JIG FOR EAR-SET TESTING APPARATUS'Acquisition of patent for 'JIG FOR EAR-SET TESTING APPARATUS'
- Acquisition of patent for 'Speaker test box'Acquisition of patent for 'Speaker test box'
- Acquisition of patent for 'Anechoic box'Acquisition of patent for 'Anechoic box'
- Demonstration of technical competitiveness and quality certification status through 'Patent' and 'Awards and Certificates' sections on the company's websiteDemonstration of technical competitiveness and quality certification status through 'Patent' and 'Awards and Certificates' sections on the company's website
Introduction
Key Products
Location
33 World cup-daero, Yeonje-gu, Busan, South Korea
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