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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 TU-520 tuner

Servo Locked AM/FM Stereo Tuner

Newly developed quadrature detector circuit ensures Signal-to-Noise Ratio of 84 dB

IF amplifier achieves high selectivity and low distortion with three stages of ceramic filters.

FM MPX stage employing a newly developed low-noise PLL-MPX -IC provides high Signal-to-Noise Ratio

Servo-locked circuit built in for accurate, stable tuning

Signal tuning system with LEDs

 


Specifications

FM Section

Tuning Frequency:  88 - 108 MHz

Usable Sensitivity:  1,7 µV (9,8 dBf)

Effective Selectivity:  65 dB

Signal-to-Noise Ratio

Mono :  84 dB

Stereo :  80 dB

Total Harmonic Distortion

Mono :  0,05%

Stereo :  0,06^

Capture Ratio:  1 dB

AM Suppression:  55 dB

Image Rejection:  56 dB

IF Rejection:  95 dB

Frequency Response;  20 Hz - 15 kHz +0,2 dB -1,5 dB

Stereo Separation:  55 dB (1 kHz)

AM Section

Tuning Frequency:  525 - 1,605 kHz

Usable Sensitivity:  18 µV

Total Harmonic Distortion :  0,4%

Power Requirements:  AC 120 V or 220/240 V 50/60 Hz

Power Consumption:  8 W

Dimensions (W x H x D):  434 x 93 x 300 mm

Weight:  4,5 kg

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