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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





Rotel RX-202



Specifications:
Amplifier Section
Continuous Power Output: 
15 watts per channel, min. RMS all channels driven into  Ω form 50 to 20,000 Hz with no more than 1% Total Harmonic Distortion
17 watts per channel,, min. RMS, all channel driven into 8 Ω at 1 kHz with no more than 1% Total Harmonic Distortion
IM Distortion:  less than 0,5% at rated output
Frequency Response:  20 to 70,000 Hz ±3 dB at 1 watt
Damping Factor:  30 ( 8 Ω, 1 kHz)
Input Sensitivity/ Impedance:
Tape Monitor :  110 mV/40 k Ω
Tape, Aux :  110 mV/40 k Ω
Phono mag. :  2,2 mV/45 k Ω
Phono Cer. :  130 mV/100 k Ω
Phono Overoad:  80 mV (1 kHz)
Phono Equalization:  RIAA S.T.D. ±1,5 dB
Bass Control:  ±10 dB at 100 Hz
Treble Control:  ±10 dB at 10 kHz
Loudness Control:  ±10 dB/100 Hz;  =5 dB/10 kHz
Crosstalk:  50 dB/10 kHz
Hum and Noise:
Phono :  65 dB
Tape :  80 dB
Residual 0,5 mV
Speaker Impedance:  4 to 16 Ω
FM Tuner Ssection
Frequency Range:  88 to 108 MHz
Sensitivity (IHF):  2,9 microvolts
Signal-to-Noise Ratio:  65 dB
Harmonic Distortion:  0,2%
Selectivity:  40 dB ±400 kHz
Capture Ratio:  3 dB
Stereo Separation:  35 dB at 1 kHz
IF Rejection:  70 dB
Image rejection:  55 dB
Spurious Response rejection:  70 dB
SCA Suppression:  60 dB
AM Suppression:  54 dB
AM Tuner Section
Frequency Range:  525 to 1650 kHz
Sensitivity:  20 microvolts
Selectivity:  25 dB ±10 kHz
IF Rejection:  45 dB
Image Rejection:  50 dB
 General Section
Power Consumption:  115 W
Power Supply:  AC 120 V 60 Hz or AC 220 V, 240 V 50/60 Hz
Dimensions (W x H x D):  474 x 114 x 267 mm
Weight:  6 kg (13,2 lbs)

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