When a power supply is used, the NFB circuit loop acts as an antenna, picking up digital noise. One of the main causes of the CD sound being cold and harsh is thought to be due to this phenomenon. Philips has thoroughly examined the merit and demerits of this NFB circuit look and succeeded in developing a conversion circuit with no feedback and excellent in-phase rejection ratio of positive and negative phase. The conversion circuit operates in perfect symmetry as an ideal balanced amplifier.

Non NFB

The technology and know-how is implemented in our LHH900R and LHH300R CD players. The conversion circuit banishes all NFB from the D/A converter, the amplifier and its power supply. The result is an energetic, bold and delicate sound.

Philips LHH300R cdplayer

The Philips LHH900R features the swing arm mechanism "CDM-4 Pro". It has been popular as a high-precision, high-quality sound mechanism with the highest rigidity among all the successive mechanisms. It offers high precision and high-quality sound.

1995

The Philips LHH900R and LHH300R are available from november 1995. Prices are 450.000 Yen for the Philips LHH900R and 150.000 Yen for the Philips LHH300R.

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