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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





Marantz EQ 351 equalizer

 

Graphic Equalizer

High-value version of EQ551 for uses with no need of microphone input, pink noise generator, input attenuator or decay time switch

Provides 10 dB cut or boost on 10 frequency bands

Independent left and right channel control

Inputs for two tape decks with tape copy

EQ level control

Instant comparisons through Direct switch

 


Specifications

Total Harmonic Distortion :  0,005% (20 Hz - 20 kHz)

Rated Output:  1 V

Frequency Response:  10 Hz - 25 kHz ±1 dB

Signal-to-Noise Ratio :  110 dB

Input Impedance:  110 k Ω  (Line in)

Output Impedance:  3,5 k Ω  (Line out)

EQ Action for Each Channel:   

31,5 Hz; 63 Hz; 125 Hz; 250 Hz; 500 Hz; 1 kHz; 2 kHz; 4 kHz; 8 kHz; 16 kHz (±10 dB)

Power Requirements:  110 - 240 V 50/60 Hz

Dimensions (W x H x D):  420 x 67 x 200 mm

Weight:  2,7 kg

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