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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.




H.H. Scott '59





Sansui D-570 cassette deck

 

D-570 Computerized Direct-Drive Cassette Deck

Sansui's reference model with state-of-the-art. Features for convenience and top specifications 3-head design; fine-biass control and direct-drive add up to accuracy

3-head design with monitor. Direct-drive capstan motor. Fine-bias tune system AMPS for cue, skip and repeat. Dolby C/B NR system "Compu Edit" for auto dubbing with programmable P-M77 or P-L50 turntable. Fuorescent real time counter.

AMPS (Automatic Music Program Search)

Many Sansui decks have an extremely versatile feature known as AMPS. It lets you cue in on the beginning of the next song, or return  to the beginning of the present song - automatically. Even more advanced versions of AMPS are available in some Sansui decks.

 

Specifications D-570

Track System:  4-track, 2-channels

Tape Speed:  4,8 cm/sec

Head: 

1 x Erase High Bs Ferrite

1 x Rec.Pb High Bs Ferrite Combination)

Motor : 

Capstan :  FG Servo Coreless Direct Drive

Reels :  Electronically Controlled DC Motorr

Wow and Flutter:  0,03% (WRMS)

Frequency Response

Metal Tape :  20 - 22,000 Hz

High Bias Tape :  20 - 19,000 Hz

Normal Tape (LH) :  20 -17,000 Hz

Signal-to-Noise Ratio

Metal

With Dolby "C" NR :  80 dB (above 1 kHz)

With Dolby "B" NR :  70 dB (above 5 kHz)

Without Dolby NR :  60 dB (weighted)

Dimensions:  430 x 111 x 324 mm

Weight:  6,4 kg