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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





Roksan Caspian Integrated Amplifier mkI



Integrated Amplifier

Specifications

Line Inputs:  5 plus Tape

Input Impedance:  47 k Ω

Input Sesnitivity:  Line 240 mV

Line Outputs:  Tape; 2x Preamplifier

Output Voltage:

Tape Out :  240 mV

Pre Out :  700 mV

Damping Factor:  140 (8 Ω )

Frequency Response:  2,5 Hz - 80 kHz -3 dB

Gain: 

Pre & Power :  40 dB Overall

Preamplifier :  9,3 dB

Power Amp:  30,7 dB

Total Harmonic Distortion

At 8 Ω  :  less than 0,003% (1 kHz)

At $ Ω  :  less than 0,005% (1 kHz)

Signal-to-Noise Ratio

Line :  108 dBa (ref. 500 mV); 85 dBa (ref. 1 W, 8 Ω )

Power Outputs:  Loudspeaker, L & R

Outputs Power:

Better than 70 Watts continuous, into 8 Ω  both channel driven

Better than 100 Watts continuous, into 4 Ω  both channel driven

Current Output:  50 Amps Peak to Peak

Power Supply:  330 VA Ultra Noise Toroidal Transformer, 4 Regulated Supply Rails

Power Source:  100 - 120 V, 50/60 Hz; 220 - 140 V, 50/60 Hz

Power Consumption:  less than 230 W

Dimensions (W x H x D):  432 x 330 x 80 mm (including feet)

Weight:  12 kg

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