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





Copland CSA-8 amplifier

The CSA 8 incorporates just three controls for input, audio level (which remains calibrated in db steps) and an on/off switch. Advanteges can be gained of cause by reducing the controls, enabling the shortest and most direct signal path for a clean sound. The input selection caters for tuner, CD and AUX 1.
The valves have been replaced with an solid dtate circuit creating the most significant change in price and nature of the sound, but not in the quality itself. The sound stage has been brought forward as in transistor amplifiers, yet the smooth character attributed to Copland has been retaned.
Specifications:
Output Power:  2 x 60W
Line Input Impedance:  25 k Ω
Line Sensitivity:  92 mV
Power Bandwidth:  5 Hz -30 kHz ±3 dB
Frequency Response:  5 Hz - 120 kHz ±3 dB
Total Harmonic Distortion:  better than 0,1%
Hum and Noise
Line :  better than 90 dB
Phase:  non inverting
Grounding:  Separated grounding on power supply. Signal/chassis connected to signal ground
Power Consumption:  250 watts
Dimensions (W x H x D):  430 x 125 x 375 mm
Weight (shipping):  13 kg

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