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





Toshiba SB-A50

 Toshiba Aurex SB-A50 Stereo Integrated Amplifier (1980)
Specifications
Continuous Power Output
(20 Hz - 20 kHz both channel driven):
2 x 35 W at 4 Ω
2 x 30 W at 8 Ω
(1 kHz both channel driven):
2 x 38 W at 4 Ω
2 x 35 W at 8 Ω
Total Harmonic Distortion:  0,1% at rated power 8 Ω
Frequency Response:  5 Hz - 100 kHz  +0 -3 dB
Power Bandwidth (IHF):  10 Hz - 35 kHz
Load Impedance:  4 - 16 ohms
Damping Factor:  25
Signal-to-Noise Ratio (IHF A Network):
Phono :  70 dB
Tuner :  90 dB
Aux :  90 dB
Input Sensitivity/Impedance:
Phono :  2,5 mV/47 k Ω
Tuner :  150 mV/47 k Ω
Aux/Tape :  150 mV/47 k Ω
Mic :  1,0 mV/47 k Ω
Output Level:
Tape Rec :  150 mV
Tone Control:
Bass :  ±8 dB at 100 Hz
Treble :  ±8 dB at 10 kHz
Phono Overload Level:  150 mV (RMS)
General
Power Supply:  220V 50 Hz (for Europe)
Power Consumption:  290 W
Dimensions (W x H x D):  420 x 116 x 286 mm
Weight:  5,4 kg
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