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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





Denon DR-M1 cassette deck

Two-head Microcomputer controlled Cam Encord Mechanism Stereo Cassette Deck

Features:

Microcomputer Controlled Cam encord method "silent mechanism"

Automatic Fade In / Fade Out system

Automatic tape selector for Normal, Chrome and Metal cassette tape

Memory Stop system

Automatic Timer play and record function

Originally developed Denon Rec/Mute system

 


Specifications:

Type:  4-track, 2-channel stereo cassette deck

Heads

Record/Playback :  SF R/P head

Erase :  Double gap ferrite head

Motors:  DC motor x 2

Capstan: DC motor x !

Wow and Flutter:  0,035% WRMS

Fast Forward Time:  approx. 90 sec (C-60)

Frequency Response:  20 Hz - 20 kHz (Metal)

Signal-to-Noise Ratio:  better than 73 dB (Dolby C NR on, at 3% T.H.D. by CCIR/ARM)

Input Sensitivity/Impedance

Microphone:  0,35 mV / 10 k Ω

Line :  77,5 mV / 50 k Ω

Output Load/Sensitivity

Line :  775 mV / 10 k Ω

Headphones :  1,2 mW / 8 k Ω (acceptable impedance of headphones 8 - 2 k ohms)

Power Requirements:  110, 120, 220, 240 AC, 50/60 Hz

Power Consumption:  19 W

Dimensions (W x H x D):  434 x 115 x 286 mm

Weight:  5,5 kg


 

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