Before Operation, Principle of Dolby B NR System

ENGLISH

Before Operation

NOTES ON CASSETTE TAPE

•Before loading a cassette tape, take up the slack in the tape to prevent it from becoming entangled around the capstan.

•After the recording has been finished, remove the tab to prevent the recorded contents from being erased or recorded on accidently.

PRINCIPLE OF DOLBY B NR SYSTEM

The Dolby NR system functions so that it automatically increases recording levels of medium and high frequencies when the recording signal level is lower than the specified level(encoding), and automatically reduces the output level to the normal level during playback(decoding). In this way, the tape hissing noise is remarkably reduced without affecting the sound quality. The Dolby B NR system used in your Cassette Deck improves S/N ratio by about 5 dB at 1 kHz and about 10 dB at 10 kHz.

Manufactured under lincense from Dolby Laboratories. “Dolby” and the double-D symbol are trademarks of Dolby Laboratories.

For side B

For side A

•To rerecord after tabs have been removed, cover with adhesive tape.

CLEANING THE HEAD SECTION

Clean the head section about every 10 hours of use with a commercially available head cleaning tape.

•For better recordings, you should clean the head section before every recording.

•After cleaning the head section, do not load a tape until the cleared section is completely dry.

•Do not cover the tape detection holes for chrome (CrO2) tape.

•Do not store the tapes in direct sunlight or near equipment that generates heat. Keep the tapes away from any magnetic fields.

•Do not touch the tape surface and store the tapes in their cases after use. Dust can cause contamination of the heads resulting in noise.

DEMAGNETIZING THE HEAD

When the recording/playback head is magnetized, the sound quality will be deteriorated.

In this case, demagnetize the head using a commercially available demagnetizer.

AUTO TAPE SELECTOR

The type of tape loaded is detected automatically by the auto tape selector and recording bias and equalization are set automatically according to the characteristic of that tape such as normal or chrome(CrO2) tape.

DS-801 specifications

The Sherwood DS-801 is a distinguished stereo receiver that has earned respect in the audio community for its blend of vintage charm and modern technology. Designed for true audiophiles, the DS-801 incorporates several advanced features that enhance the listening experience while maintaining an easy-to-use interface.

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