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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





Technics RS-BX501 cassette deck


Auto-Reverse 2-Motor Cassette Deck

Features

ATC (Auto Tape Calibration) for Bias, EQ and Rec-level

Auto-reverse 2-motor tape transport

Hi-speed FF/Rew - approx. 50 seconds with C-60 tape)

Direct operation with power loading

Dolby HX-Pro and Dolby B-C NR systems

Wireless reomte control capability with selected Technics amplifiers and receivers

MPX filter on/off switch

Linear electronic counter with memory stop

2-color FL peak-hold meters

Auto tape selector and auto rec-mute

Master rec level and independent balance controls

Headphone output level control

 


Specifications

Deck System:  Stereo cassette deck

Track System:  4-track 2-channel

Recording System Frequency:  AC Bias 80 kHz

Erasing System:  AC erase

Heads:

Recording/Playback : Permaloy head

Erasing : Double-gap ferrite head

Motors:

Capstan Drive :  DC servo motor

Reel Dreive :  DC motor

Tape Speed:  4,8 cm/sec

Wow and Flutter:  0,07% WRMS ±0,2 % (DIN)

Frequency Response:

Normal Tape :  30 Hz - 15 kHz  ±3 dB (30 Hz - 16 kHz DIN)

CrO₂ Tape :  30 Hz - 15 kHz ±3 dB (30 Hz - 16 kHz DIN)

Metal Tape :  30 Hz - 16 kHz ±3 dB (30 Hz - 17 kHz DIN)

Signal-to-Noise Ratio

Dolby NR Off :  56 dB A-weighted)

Dolby B NR On :  66 dB (A-weighted)

Dolby C NR On :  74 dB (A-weighted)

Input Sensitivity/Impedance:

Rec Out :  100 mV/47 k

Output Level/Impedance

Play :  500 mV/500

Headphones:  190 mV/ 8 - 600

Power Requirements:  230 -240 V AC 50/60 Hz

Power Consumption:  19 W

Dimensions (W x H x D):  430 x 125 x 293 mm

Weight:  3,8 kg

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