It is returning when doubt has been held in the result that performed the tone
quality improvement described until now.
There is the method that is able
to confirm easily. It carries out the tone quality improvement only of the left
channel. And please compare the right channel to the left channel.
When our company audio accessories as of carbon decoupling absorber,
cords and transformers are used, the effect is doubted as the effect is too big.
Then, please use it several days as it is. Then, it will become a noisy sound
if it returns to the original state. And it can judge easily which is the right
When the audition experiment was before conducted
by cooperation of several persons, the direction of about 90% had a report as
having become good. However, there was the person with the following result.
Sound does not change.
Sound became bad.
The cause was investigated. The software for the mentioned audition was bad. The
equipment of powerful individuality and accessories were used.
Even if it
became good, the bad place has got conspicuous and was impossible to judge the
good result correctly.