Part Number: MUSES01

Manufacturer: Nisshinbo

Description: Audio Amplifiers: J-FET Input Dual Op Amp

Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us

Technical Specifications of MUSES01

Category Integrated Circuits (ICs)
Family Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps
Manufacturer NJR Corporation/NJRC
Series MUSES?
Packaging Tube
Part Status Active
Amplifier Type Audio
Number of Circuits 2
Output Type
Slew Rate 12 V/μs
Gain Bandwidth Product 3.3MHz
-3db Bandwidth
Current – Input Bias 200pA
Voltage – Input Offset 800μV
Current – Supply 8.5mA
Current – Output / Channel 25mA
Voltage – Supply, Single/Dual (±) ±9 V ~ 16 V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Package / Case 8-DIP (0.300″, 7.62mm)
Supplier Device Package 8-DIP

MUSES01 Introduction

The MUSES01 is a dual J-FET input audio operational amplifier that has been designed with great care for high-end and professional audio applications. It is known for its exceptional quality. The MUSES01 is the ultimate choice for audio enthusiasts due to its advanced circuitry, use of unique materials, and skilled craftsmanship. It offers unparalleled sound quality and performance.

The MUSES01 boasts a dual J-FET input architecture at its core, which offers several advantages for audio amplification. The J-FET input design guarantees excellent audio quality by providing low noise levels, high input impedance, and exceptional signal integrity, resulting in pristine audio reproduction. The dual configuration enhances the versatility of the device, enabling it to perform exceptionally well in various audio applications.

The optimized circuitry and layout are the distinguishing features of the MUSES01. Considerable effort has been put into designing the system to reduce distortion, noise, and crosstalk. This ensures that the amplified audio signal accurately reflects the original source. We have selected premium components and employed meticulous layout techniques to ensure maximum performance and maintain audio purity.

The MUSES01 boasts exceptional design and incorporates unique materials and assembled technology to enhance its performance to unprecedented levels. The device utilizes high-quality silicon and precision resistors to guarantee both precision and durability. During the assembly process, skilled craftsmanship and strict quality control measures are implemented to ensure that every unit meets the highest standards of quality and reliability.

The MUSES01 is an exceptional piece of engineering with outstanding features. It is ideally suited for use in audio preamplifiers, active filters, and line amplifiers. This audio preamplifier provides precise volume control, low-noise amplification, and exceptional tonal accuracy. It is an ideal choice for audiophiles and professional audio setups. The MUSES01 is an excellent choice for active filter circuits as it offers precise frequency shaping, minimal distortion, and an exceptional dynamic range. The device also functions effectively as a line amplifier by easily driving and balancing audio signals, all while maintaining their original quality and accuracy.

In the upcoming sections of this guide, we will thoroughly examine the features of the MUSES01, explore its diverse applications, and offer recommendations for achieving exceptional sound quality when integrating this outstanding operational amplifier into your audio projects. The MUSES01 is designed to provide an unparalleled audio experience, whether you’re an audio enthusiast, a professional in the field, or simply someone who values top-tier audio performance.

Understanding MUSES01: An Overview of Key Features

● Dual J-FET Input Architecture

The MUSES01 boasts a dual J-FET input architecture that provides numerous benefits for audio amplification.

The J-FET input design is implemented to ensure low noise levels, which results in clean and accurate signal reproduction. Preserving the integrity of the original sound is of utmost importance, particularly in high-end audio applications.

In addition, the design of the J-FET input results in a high input impedance that reduces the impact of loading on the audio source. Maintaining signal fidelity and preventing unwanted distortion or signal degradation is beneficial.

The MUSES01’s J-FET input configuration enhances signal integrity significantly. Reducing the impact of external noise and interference can result in a clearer and more precise audio output.

The MUSES01 exhibits improved performance and versatility in a range of audio applications due to its dual configuration of the J-FET input. The device features dual inputs that enable balanced signal processing, resulting in reduced noise and improved common-mode rejection. The MUSES01 is well suited for professional audio setups that commonly utilize balanced connections.

Furthermore, the MUSES01’s dual configuration allows for versatile application in stereo systems, as it can independently process both the left and right audio channels. The accurate and reliable signal amplification required for audio preamplifiers, active filters, and line amplifiers makes it an ideal choice due to its versatility.

To summarize, the MUSES01’s dual J-FET input architecture offers advantages such as reduced noise, increased input impedance, and superior signal integrity. The MUSES01 is a highly versatile audio device that is well-suited for a wide range of applications thanks to its dual configuration, which enhances its performance and versatility.

● Optimized Circuitry and Layout

The circuit design and layout of MUSES01 have been meticulously engineered to minimize distortion, noise, and crosstalk, thereby ensuring optimal audio reproduction.

A careful selection of premium components, including high-grade silicon and precision resistors, is carried out to ensure superior performance and longevity. Precise layout methodologies are utilized to mitigate signal noise and enhance signal routing.

The output is an amplifier that provides precise and uncolored audio reproduction, devoid of any undesired artifacts. The MUSES01’s circuit design and layout have been optimized to achieve superior audio performance and preserve the integrity of the source signal.

● Testing and evaluation

Testing and evaluating the MUSES01 is important to get the best results.

  • Testing is done to check if MUSES01 works properly, find any problems, and improve its performance in the audio system. Here are some tips for doing performance tests and listening evaluations:
  • Testing the functionality. Check if MUSES01 is working properly. Make sure the power supply is connected correctly, check for any unusual behavior or noise, and ensure that all input and output connections are firmly attached.
  • Measure the MUSES01’s important performance factors like gain, frequency response, distortion levels, and signal-to-noise ratio. Use an audio analyzer to get precise measurements. Check if the measured values meet the manufacturer’s specifications.
  • Listening tests that measure objective results Test the MUSES01 by playing different audio sources and carefully assessing the output. Notice things like tone, imaging, soundstage, and dynamics. Compare the MUSES01’s performance to that of other high-quality audio amplifiers to see how it measures up.
  • Conduct listening tests with a group of trained listeners or people who represent the target audience. Test the MUSES01’s ability to play different types of music, instruments, and vocals by using a variety of audio materials. Get feedback on sound quality.
  • When testing and evaluating, focus on system integration. Improve power supply, grounding, and shielding to reduce noise or interference that could affect MUSES01 performance. Try different ways of placing and connecting components to find the best setup for the audio system.
  • Make adjustments and refinements based on test results and evaluations. Adjust the MUSES01’s settings, components, or system to improve its performance and get the sound quality you want.

Testing the MUSES01’s performance through objective measurements and subjective listening assessments provides an accurate assessment. It makes sure the amplifier works well, is optimized in the system, and provides the best audio experience.


The MUSES01 is a great choice if you want to improve your audio projects. It is a great choice because of its advanced design, excellent performance, and compatibility with high-end and professional setups. Discover the full potential of your audio system with MUSES01. We at ICRFQ will provide you with the necessary knowledge and support to help you use MUSES01 effectively in your projects.

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Kevin Chen