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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 ST-50L tuner


Specifications
FM Stage:  87,5 - 108 MHz
Sensitivity (DIN)
Mono (s/n26 dB, 75 Ω ) :  0,7 µV
Stereo (s/n46 dB, 75 Ω ) :  20 µV
Selectivity (Adjacent Channel 98 MHz)
Wide IF :  40 dB
Narrow IF :  75 dB
Tuner Output (1 kHz, 75 kHz Deviation):  940 mV
Signal-to-Noise Ratio (DIN)
Mono (Weighted) :  86 dB
Stereo (Weighted) :  78 dB
Total Harmonic Distortion
Mono Wide IF :  0,05%
Mono Narrow IF :  0,15%
Total Harmonic Distortion
Stereo Wide IF :  0,08%
Stereo Narrow IF :  0,3%
Accuracy of Frequency Response across 30 Hz - 15 kHz Bandwidth:  +0,5 -1,5 dB
Stereo Separation
Wide IF :  55 dB
Narrow IF :  50 dB
MW Stage :  531 - 1602 kHz
Sensitivity (s/n20 dB 30% mod. 1 MHz):  350 µV
Selectivity (1 kHz, 9 kHz) :  40 dB
Signal-to-Noise Ratio (1 MHz):  54 dB
lW Stage:  152 - 282 kHz
Sensitivity (s/n20 dB 30% mod. 250 kHz):  800 µV
Signal-to-Noise Ratio (at 250 kHz):  50 dB
General  Section
Power Requirements:  220 / 240 V AC 50/60 Hz or 110 / 120 / 220 / 240 V Ac, 50/60 Hz
Dimensions (W x H x D):  420 x 86 x 334 mm
Weight:  4,5 kg
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