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





JVC A-K100 amplifier

 Stereo Integrated Amplifier with Gm Driver
It's prieced within easy reach of everyone, yet it's built with powerful, low-distortion circuitry to drive even low, efficiency speakers easily. Its high-technology circuits include new Gm Driver to improve in-use performance in the home. To ensure sound remains clear and noise-free, it utilizes JVC's two-amp construction.
Specifications
Output Power: 
25 watts per channel, min. RMS, both channels driven, into 8  from 40 Hz to 20 kHz with no more than 0,5% T.H.D.
27 watts per channel, min. RMS, both channels driven, into 8  at 1 kHz with no more than 0,7% T.H.D.
23 watts per channel, min. RMS, both channels driven, into 8  at1 kHz with no more than 0,08% T.H.D.
Total Harmonic Distortion:0,5% at rated output from 40 Hz to 20 kHz, 8 ohms
Power Bandwidth:  10 Hz - 30 kHz ('66 IHF both channels driven, 8 , 0,5% T.H.D.)
Frequency Response:  10 Hz - 30 kHz =1 dB, -3 dB (8 )
Tone Controls:
Bass :  100 Hz ±8 dB
Treble :  10 kHz ±8 dB
Input Sensitivity/Impedance
Phono :  2,5 mV/47 k
Tuner, Video, Aux, Tape:  160 mV/40 k
Phono Equalizer Deviation:  ±1,0 dB (40 Hz - 15 kHz)
Phono Overload :  100 mV (1 kHz)
Signal-to-Noise Ratio:
Phono :  70 dB ('66 IHF)
Tuner, Video, Aux, Tape :  95 dB ('66 IHF)
Loudness Control" =5 dB at 100 H
Power Supply :  AC 110/120/220/240 V 50/60 Hz
Power Consumption:  75 watts
Dimensions (W x H x D):  435 x 77 x 248 mm (17-1/8" x 3" x 9-3/4")
Weight:  3,7 kg (8,2 lbs)

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