We have released the MUSES8920, mass production model of MUSES Series, offering finest sound to audio fans more widely.

The MUSES8920 is a J-FET-input dual OP-AMP inheriting high quality sound we pursued in the development of the MUSES01/02, and it employs chip-layout and lead-frame material optimized for mass production.

In addition to DIP package (lead insertion type), it employs halogen and lead-free surface mount package.

The package provides mass productivity gain of audio equipment manufacturers and reduction of environmental impact.MUSES8920 can experience high-quality audio to many fans. It is suitable for a variety of music genres with no habit by making sound.


High Quality Audio
J-FET Input Dual Operational Amplifier



Operating Voltage Vopr= ±3.5V to ±17V
Low Noise 8nV/√Hz typ.
Input Offset Voltage VIO= 0.8mV typ. 5mV max.
Input Bias Current IB= 5pA typ. 250pA max. @Ta=25°C
Voltage Gain Av=135dB typ.
Slew Rate SR=25V/µs typ.
J-FET technology
Package Outline DIP8
SOP8 JEDEC 150mil
Applications Hi-end Audio & professional audio equipment