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





Philips CD-720


Philips CD-720
Specifications
Frequency Ranger:  2 Hz - 20 kHz
Amplitude Linearity:  0,3 dB (20 Hz - 20 kHz)
Phase Linearity:  4° (20 Hz - 20 kHz
Dynamic Range:  90 db (1 kHz)
Signal-to-Noise Ratio:  90 dB (1 kHz)
Channel Separation:  90 dB (1 kHz)
Total Harmonic Distortion:  0,003% (1 kHz)
Audio Output Level:  2 Vrms
Phono Impedance Socket:  30 - 600 Ω
Power Supply:  110-120, 220-240V, 50/60 Hz
Power Consumption:  less than 100 W approx
Safetey Requirements:  IEC 65
dimensions (W x H x D):  435 x 90 x 300 mm
Weight:  4 kg
Cabinet:  Metal and Polystyrene finish



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