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





Akai AA-6200

 Akai AA-6200 all Silicon Transistorized Solid State FM/AM Multiplex Stereo Tuner-Amplifier with Two Integrated Circuits.
Simplified controls for easier operation
Attractive black and silver front panel design.

Outstanding Features:
FM and AM Sections - Ceramic Filters for better selectivity.
Field Effect Transistor front end for extra sensitivity
FM Center Tuning and FM/AM Signal Strength Meter
Stereo Indicator Lamp
4-Stage FM IF Amplifier
AM Bar Antenna
2 AC Outlets for extra convenience
40 W Music Power
Tape Monitor and Stereo/Mono Switches
Loudness Control
Bass, Treble and balance Controls
Headphone and DIN Jacks
Universal Voltage Selector
Specifications
FM Tuner Section
Frequency Range:  88 to 108 MHz
Sensitivity (IHF):  2,5 µV
Signal-to-Noise Ratio:  better than 60 dB
Stereo Separation:  better than 33 dB
Selectivity: better than 60 dB
AM Tuner Section
Frequency Range:  535 to 1605 kHz
Sensitivity (IHF):  25 µV at 1 MHz
Signal-to-Noise Ratio:  better than 50 dB
Selectivity:  better than 20 dB
Amplifier Section
Frequency Response:  20 Hz to 50,000 Hz (-3 dB)
Output Power:  40 W at 4 Ω ; 15 W at 8 Ω
Harmonic Distortion:  0,2%
Input Sensitivity:
Phono :  3 mV
Aux, Tape :  150 mV
Signal-to-Noise Ratio: 
Phono :  better than 60 dB
Aux, Tape :  better than 70 dB
Dimensions (W x H x D):  445 x 133 x 340 (17-1/2" x 5-3/4" x 13-1/2")

Weight:  8,4 kg (18,5 lbs)

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