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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-400A


 All Solid State Design with Silicon Output Transistors.
FET Front End Tuner.
Ceramic Filter
Rotary Controls;  Dual Bass, Dual treble, , Balance, Volume, Function Selector and Tuning.
Push Buttons;  Power, Speaker 1, Speaker 2, Mode,  Loudness, Tape Monitor .
Illumunated Dual Purpose Signal  Strength  .
Illumunated FM Center Tuning Meter.
Illuminated  Dial Board.
Stereo Indicator and Function Indicator Lights.
Front Panel Headphone jack.
Rear Panel Speaker Matrix Switch for simulated 4-channel.
Pre-Amp Outputs and Main-Amp Inputs.
Handsome Wood Cabinet
 Above model produced in Japan, below the European version

Specifications 400A
Amp Section
Total Music Power (IHF):  80 W (4 ohms); 50 W (8 ohms)
Continuous Power (RMS):  22 W/Ch (4 ohms);  20 W/Ch (8 ohms)
Harmonic Distortion:  0,2%
IM Distortion:  0,4%
Frequency Response:  15 - 50,000 Hz
Power Bandwidth (IHF):  25 - 30,000 Hz
Speaker Impedance:  4, 8, 16 ohms
Tuner Section
Sensitivity (IHF)
FM :  2,5µV
AM : 30µV
Harmonic Distortion: less than 1%
S/N Ratio:  better than 60 dB
IF Rejection (FM) :  better than 70 dB
Image Rejection (AM) :  40 dB
Stereo Separation:  better than 35 dB
General
Power Voltage:  AC 100, 117, 220, 240 V, 50/60 Hz
Dimensions (W x H xD):  17-1/8" x 5" x 12-1/2"
Weight:  7 kg (15,4 lbs)


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