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





Teac VRDS 20

D/A Converter: Bitstream Converson
D/A Number: 8
Digital Filter: 20-bit, 8-times oversampling
Analog Filter: Butterworth 3rd order
Frequency Response:
1 - 20,000 Hz ±0.3 dB (RCA)
20 - 20,000 Hz ±0.5 dB (XLR)
SN Ratio: Better than 110 dB
Dynamic Range: Better than 99 dB
Harmonic Distortion: 0.0013%
Channel Separation: 110 dB
Analog outputs:
2,2 V rms (RCA)
2,3 V rms (XLR)
Digital outputs:
0,5 Vp-p / 75 ohm (coaxial)
-15...-21 dBm (TOS)
-12,5...-15 dBm (ST)
Optical pickup KSS-151A (Sony Corp.)
Type: Optical 3-beam laser pickup
Objective Lens: 2-dimensional parallel drive
Laser Output: Less than 0.2 mW on the objective lens
laser Type: GaAIAs type semiconductor laser
Wavelength: 760 - 800 nm
Sampling Frequency: 44,1 kHz
Quantization Bit: 16-bit linear/channel
Channel Bit Rate: 4.3218 Mb/sec.
Channel Modulation Code: Eight to Fourteen Modulation (EFM)
Error Correction: Cross Interleave Reed Solomon Code (CIRC)
Power Requirements: 120/230 V AC 50/60 Hz
Power Consumption: 22 watts
Dimensions (W x H x D): 500 x 146 x 331 mm
Weight: 13.8 kg

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