Acoustic Revive RR-777

<Audio Accessories Information No. 146 >, thorough report,
acoustic revive, extremely low-frequency apparatus "RR-777"

Upon the third generation model that follows
the original machine "RR-7",  the second generation in the "RR-77",
the same model that improves the power supply unit and harmonic rejection filter,
to add A class single buffer, has been enhanced to four times in the output.

In No. 146, Isao Shibasaki of audio critics, in charge of the report.

After being based on the effect of low-frequency apparatus,
with respect to the process that evolved into "RR-777"
and the actual effects,
it is to deliver the article detailed with his uniqueness.